234107919409 has 45 divisors (see below), whose sum is σ = 295746052167. Its totient is φ = 184775363136.

The previous prime is 234107919407. The next prime is 234107919421. The reversal of 234107919409 is 904919701432.

The square root of 234107919409 is 483847.

It is a perfect power (a square), and thus also a powerful number.

234107919409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 7 ways, for example, as 181904809009 + 52203110400 = 426503^2 + 228480^2 .

It is not a de Polignac number, because 234107919409 - 2¹ = 234107919407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234107919403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 572390797 + ... + 572391205.

Almost surely, 2^234107919409 is an apocalyptic number.

234107919409 is the 483847-th square number.

234107919409 is the 241924-th centered octagonal number.

It is an amenable number.

234107919409 is a deficient number, since it is larger than the sum of its proper divisors (61638132758).

234107919409 is an frugal number, since it uses more digits than its factorization.

234107919409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

Multiplying 234107919409 by its sum of digits (49), we get a square (11471288051041 = 3386929²).

234107919409 divided by its sum of digits (49) gives a square (4777712641 = 69121²).

The spelling of 234107919409 in words is "two hundred thirty-four billion, one hundred seven million, nine hundred nineteen thousand, four hundred nine".