213845025590 has 32 divisors (see below), whose sum is σ = 450140232960. Its totient is φ = 71613216864.

The previous prime is 213845025551. The next prime is 213845025637. The reversal of 213845025590 is 95520548312.

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, 35519420 + ... + 35525439.

It is an arithmetic number, because the mean of its divisors is an integer number (14066882280).

Almost surely, 2^213845025590 is an apocalyptic number.

213845025590 is an abundant number, since it is smaller than the sum of its proper divisors (236295207370).

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

213845025590 is a wasteful number, since it uses less digits than its factorization.

213845025590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71044916.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 213845025590 in words is "two hundred thirteen billion, eight hundred forty-five million, twenty-five thousand, five hundred ninety".