213807398270 has 16 divisors (see below), whose sum is σ = 385329046320. Its totient is φ = 85417241664.

The previous prime is 213807398261. The next prime is 213807398279. The reversal of 213807398270 is 72893708312.

It is an interprime number because it is at equal distance from previous prime (213807398261) and next prime (213807398279).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213807398279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13206212 + ... + 13222391.

It is an arithmetic number, because the mean of its divisors is an integer number (24083065395).

Almost surely, 2^213807398270 is an apocalyptic number.

213807398270 is a deficient number, since it is larger than the sum of its proper divisors (171521648050).

213807398270 is a wasteful number, since it uses less digits than its factorization.

213807398270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26429419.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 213807398270 in words is "two hundred thirteen billion, eight hundred seven million, three hundred ninety-eight thousand, two hundred seventy".