213606032400645 has 16 divisors (see below), whose sum is σ = 341769923705472. Its totient is φ = 113923126658880.

The previous prime is 213606032400623. The next prime is 213606032400671. The reversal of 213606032400645 is 546004230606312.

It is a happy number.

It is not a de Polignac number, because 213606032400645 - 2⁶ = 213606032400581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213606032400597 and 213606032400606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16660080 + ... + 26547510.

It is an arithmetic number, because the mean of its divisors is an integer number (21360620231592).

Almost surely, 2^{213606032400645} is an apocalyptic number.

It is an amenable number.

213606032400645 is a deficient number, since it is larger than the sum of its proper divisors (128163891304827).

213606032400645 is a wasteful number, since it uses less digits than its factorization.

213606032400645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11327692.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 213606032400645 in words is "two hundred thirteen trillion, six hundred six billion, thirty-two million, four hundred thousand, six hundred forty-five".