368988557533013 has 4 divisors (see below), whose sum is σ = 402532971854208. Its totient is φ = 335444143211820.

The previous prime is 368988557533009. The next prime is 368988557533031. The reversal of 368988557533013 is 310335755889863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 368988557533013 - 2² = 368988557533009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368988557539013) 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, 16772207160581 + ... + 16772207160602.

It is an arithmetic number, because the mean of its divisors is an integer number (100633242963552).

Almost surely, 2^{368988557533013} is an apocalyptic number.

It is an amenable number.

368988557533013 is a deficient number, since it is larger than the sum of its proper divisors (33544414321195).

368988557533013 is a wasteful number, since it uses less digits than its factorization.

368988557533013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33544414321194.

The product of its (nonzero) digits is 1959552000, while the sum is 74.

The spelling of 368988557533013 in words is "three hundred sixty-eight trillion, nine hundred eighty-eight billion, five hundred fifty-seven million, five hundred thirty-three thousand, thirteen".