213657470211 has 32 divisors (see below), whose sum is σ = 309185572608. Its totient is φ = 130714214400.

The previous prime is 213657470203. The next prime is 213657470239. The reversal of 213657470211 is 112074756312.

It is not a de Polignac number, because 213657470211 - 2³ = 213657470203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213657470211.

It is not an unprimeable number, because it can be changed into a prime (213657470261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1180936 + ... + 1349786.

It is an arithmetic number, because the mean of its divisors is an integer number (9662049144).

Almost surely, 2^213657470211 is an apocalyptic number.

213657470211 is a deficient number, since it is larger than the sum of its proper divisors (95528102397).

213657470211 is a wasteful number, since it uses less digits than its factorization.

213657470211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169491.

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 213657470211 in words is "two hundred thirteen billion, six hundred fifty-seven million, four hundred seventy thousand, two hundred eleven".