213491759375 has 12 divisors (see below), whose sum is σ = 266847623784. Its totient is φ = 170793405000.

The previous prime is 213491759363. The next prime is 213491759401. The reversal of 213491759375 is 573957194312.

It is not a de Polignac number, because 213491759375 - 2³⁴ = 196311890191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213491759375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34155557 + ... + 34161806.

It is an arithmetic number, because the mean of its divisors is an integer number (22237301982).

Almost surely, 2^213491759375 is an apocalyptic number.

213491759375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

213491759375 is a deficient number, since it is larger than the sum of its proper divisors (53355864409).

213491759375 is an frugal number, since it uses more digits than its factorization.

213491759375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68317388 (or 68317368 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 56.

The spelling of 213491759375 in words is "two hundred thirteen billion, four hundred ninety-one million, seven hundred fifty-nine thousand, three hundred seventy-five".