235658813043213 has 192 divisors, whose sum is σ = 434910228480000. Its totient is φ = 119704266547200.

The previous prime is 235658813043211. The next prime is 235658813043223. The reversal of 235658813043213 is 312340318856532.

235658813043213 is a `hidden beast` number, since 2 + 3 + 5 + 6 + 5 + 8 + 8 + 1 + 304 + 321 + 3 = 666.

It is not a de Polignac number, because 235658813043213 - 2¹ = 235658813043211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235658813043213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235658813043211) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 16833967788 + ... + 16833981786.

It is an arithmetic number, because the mean of its divisors is an integer number (2265157440000).

Almost surely, 2^{235658813043213} is an apocalyptic number.

It is an amenable number.

235658813043213 is a deficient number, since it is larger than the sum of its proper divisors (199251415436787).

235658813043213 is a wasteful number, since it uses less digits than its factorization.

235658813043213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16512 (or 16509 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 235658813043213 in words is "two hundred thirty-five trillion, six hundred fifty-eight billion, eight hundred thirteen million, forty-three thousand, two hundred thirteen".