213669455902 has 64 divisors (see below), whose sum is σ = 380442585600. Its totient is φ = 88105014144.

The previous prime is 213669455899. The next prime is 213669455927. The reversal of 213669455902 is 209554966312.

It is a self number, because there is not a number n which added to its sum of digits gives 213669455902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17432008 + ... + 17444260.

It is an arithmetic number, because the mean of its divisors is an integer number (5944415400).

Almost surely, 2^213669455902 is an apocalyptic number.

213669455902 is a deficient number, since it is larger than the sum of its proper divisors (166773129698).

213669455902 is a wasteful number, since it uses less digits than its factorization.

213669455902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12737.

The product of its (nonzero) digits is 3499200, while the sum is 52.

The spelling of 213669455902 in words is "two hundred thirteen billion, six hundred sixty-nine million, four hundred fifty-five thousand, nine hundred two".