213966836930 has 128 divisors (see below), whose sum is σ = 521753149440. Its totient is φ = 61142688000.

The previous prime is 213966836917. The next prime is 213966836969. The reversal of 213966836930 is 39638669312.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 217640 + ... + 689420.

It is an arithmetic number, because the mean of its divisors is an integer number (4076196480).

Almost surely, 2^213966836930 is an apocalyptic number.

213966836930 is an abundant number, since it is smaller than the sum of its proper divisors (307786312510).

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

213966836930 is a wasteful number, since it uses less digits than its factorization.

213966836930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471856.

The product of its (nonzero) digits is 7558272, while the sum is 56.

The spelling of 213966836930 in words is "two hundred thirteen billion, nine hundred sixty-six million, eight hundred thirty-six thousand, nine hundred thirty".