213391860052 has 48 divisors (see below), whose sum is σ = 452079895680. Its totient is φ = 86037599232.

The previous prime is 213391860047. The next prime is 213391860067. The reversal of 213391860052 is 250068193312.

It is a junction number, because it is equal to n+sod(n) for n = 213391859987 and 213391860014.

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, 1045399 + ... + 1232737.

It is an arithmetic number, because the mean of its divisors is an integer number (9418331160).

Almost surely, 2^213391860052 is an apocalyptic number.

It is an amenable number.

213391860052 is an abundant number, since it is smaller than the sum of its proper divisors (238688035628).

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

213391860052 is a wasteful number, since it uses less digits than its factorization.

213391860052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189760 (or 189758 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 213391860052 in words is "two hundred thirteen billion, three hundred ninety-one million, eight hundred sixty thousand, fifty-two".