213539704047528 has 32 divisors (see below), whose sum is σ = 534008096756160. Its totient is φ = 71158723130880.

The previous prime is 213539704047499. The next prime is 213539704047533. The reversal of 213539704047528 is 825740407935312.

It is a super-2 number, since 2×213539704047528² (a number of 29 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, 1323556300 + ... + 1323717627.

It is an arithmetic number, because the mean of its divisors is an integer number (16687753023630).

Almost surely, 2^{213539704047528} is an apocalyptic number.

It is an amenable number.

213539704047528 is an abundant number, since it is smaller than the sum of its proper divisors (320468392708632).

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

213539704047528 is a wasteful number, since it uses less digits than its factorization.

213539704047528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647277297 (or 2647277293 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 60.

The spelling of 213539704047528 in words is "two hundred thirteen trillion, five hundred thirty-nine billion, seven hundred four million, forty-seven thousand, five hundred twenty-eight".