232819209805 has 24 divisors (see below), whose sum is σ = 349996355352. Its totient is φ = 147366882432.

The previous prime is 232819209773. The next prime is 232819209809. The reversal of 232819209805 is 508902918232.

It can be written as a sum of positive squares in 4 ways, for example, as 16350481161 + 216468728644 = 127869^2 + 465262^2 .

It is not a de Polignac number, because 232819209805 - 2⁵ = 232819209773 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232819209809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36546142 + ... + 36552511.

It is an arithmetic number, because the mean of its divisors is an integer number (14583181473).

Almost surely, 2^232819209805 is an apocalyptic number.

It is an amenable number.

232819209805 is a deficient number, since it is larger than the sum of its proper divisors (117177145547).

232819209805 is a wasteful number, since it uses less digits than its factorization.

232819209805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73098685 (or 73098678 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 232819209805 in words is "two hundred thirty-two billion, eight hundred nineteen million, two hundred nine thousand, eight hundred five".