213254460772 has 24 divisors (see below), whose sum is σ = 393353483040. Its totient is φ = 100882503360.

The previous prime is 213254460767. The next prime is 213254460827. The reversal of 213254460772 is 277064452312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1785778 + ... + 1901449.

It is an arithmetic number, because the mean of its divisors is an integer number (16389728460).

Almost surely, 2^213254460772 is an apocalyptic number.

It is an amenable number.

213254460772 is a deficient number, since it is larger than the sum of its proper divisors (180099022268).

213254460772 is a wasteful number, since it uses less digits than its factorization.

213254460772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688011 (or 3688009 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 213254460772 in words is "two hundred thirteen billion, two hundred fifty-four million, four hundred sixty thousand, seven hundred seventy-two".