213924234682 has 16 divisors (see below), whose sum is σ = 322194286440. Its totient is φ = 106526423808.

The previous prime is 213924234679. The next prime is 213924234703. The reversal of 213924234682 is 286432429312.

It can be written as a sum of positive squares in 4 ways, for example, as 80106546961 + 133817687721 = 283031^2 + 365811^2 .

It is a super-2 number, since 2×213924234682² (a number of 23 digits) contains 22 as substring.

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, 1467478 + ... + 1606654.

Almost surely, 2^213924234682 is an apocalyptic number.

213924234682 is a deficient number, since it is larger than the sum of its proper divisors (108270051758).

213924234682 is a wasteful number, since it uses less digits than its factorization.

213924234682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142305.

The product of its digits is 995328, while the sum is 46.

The spelling of 213924234682 in words is "two hundred thirteen billion, nine hundred twenty-four million, two hundred thirty-four thousand, six hundred eighty-two".