213477939192 has 64 divisors (see below), whose sum is σ = 630969292800. Its totient is φ = 58890464640.

The previous prime is 213477939151. The next prime is 213477939313. The reversal of 213477939192 is 291939774312.

213477939192 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213477939192² (a number of 23 digits) contains 22 as substring.

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, 21903784 + ... + 21913527.

It is an arithmetic number, because the mean of its divisors is an integer number (9858895200).

Almost surely, 2^213477939192 is an apocalyptic number.

It is an amenable number.

213477939192 is an abundant number, since it is smaller than the sum of its proper divisors (417491353608).

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

213477939192 is a wasteful number, since it uses less digits than its factorization.

213477939192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43817356 (or 43817352 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 57.

The spelling of 213477939192 in words is "two hundred thirteen billion, four hundred seventy-seven million, nine hundred thirty-nine thousand, one hundred ninety-two".