213172490295 has 48 divisors (see below), whose sum is σ = 384793972992. Its totient is φ = 109050762240.

The previous prime is 213172490257. The next prime is 213172490299. The reversal of 213172490295 is 592094271312.

213172490295 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 72 + 490 + 2 + 95 = 666.

It is not a de Polignac number, because 213172490295 - 2¹¹ = 213172488247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 213172490295.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213172490299) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 518524 + ... + 833793.

It is an arithmetic number, because the mean of its divisors is an integer number (8016541104).

Almost surely, 2^213172490295 is an apocalyptic number.

213172490295 is a deficient number, since it is larger than the sum of its proper divisors (171621482697).

213172490295 is a wasteful number, since it uses less digits than its factorization.

213172490295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352472 (or 1352469 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 213172490295 in words is "two hundred thirteen billion, one hundred seventy-two million, four hundred ninety thousand, two hundred ninety-five".