235899749019844 has 72 divisors (see below), whose sum is σ = 515570485657920. Its totient is φ = 92466803325312.

The previous prime is 235899749019829. The next prime is 235899749019887. The reversal of 235899749019844 is 448910947998532.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228163194 + ... + 229194769.

Almost surely, 2^{235899749019844} is an apocalyptic number.

It is an amenable number.

235899749019844 is an abundant number, since it is smaller than the sum of its proper divisors (279670736638076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

235899749019844 is a wasteful number, since it uses less digits than its factorization.

235899749019844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457358109 (or 457358094 counting only the distinct ones).

The product of its (nonzero) digits is 5643509760, while the sum is 82.

The spelling of 235899749019844 in words is "two hundred thirty-five trillion, eight hundred ninety-nine billion, seven hundred forty-nine million, nineteen thousand, eight hundred forty-four".