234289417493 has 4 divisors (see below), whose sum is σ = 234598915500. Its totient is φ = 233979919488.

The previous prime is 234289417469. The next prime is 234289417513. The reversal of 234289417493 is 394714982432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89689468324 + 144599949169 = 299482^2 + 380263^2 .

It is a cyclic number.

It is not a de Polignac number, because 234289417493 - 2²⁶ = 234222308629 is a prime.

It is a super-2 number, since 2×234289417493² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234289417693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154747868 + ... + 154749381.

It is an arithmetic number, because the mean of its divisors is an integer number (58649728875).

Almost surely, 2^234289417493 is an apocalyptic number.

It is an amenable number.

234289417493 is a deficient number, since it is larger than the sum of its proper divisors (309498007).

234289417493 is an equidigital number, since it uses as much as digits as its factorization.

234289417493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309498006.

The product of its digits is 10450944, while the sum is 56.

The spelling of 234289417493 in words is "two hundred thirty-four billion, two hundred eighty-nine million, four hundred seventeen thousand, four hundred ninety-three".