213953948182 has 16 divisors (see below), whose sum is σ = 349180991712. Its totient is φ = 97729954560.

The previous prime is 213953948177. The next prime is 213953948203. The reversal of 213953948182 is 281849359312.

It is a super-2 number, since 2×213953948182² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42414994 + ... + 42420037.

It is an arithmetic number, because the mean of its divisors is an integer number (21823811982).

Almost surely, 2^213953948182 is an apocalyptic number.

213953948182 is a deficient number, since it is larger than the sum of its proper divisors (135227043530).

213953948182 is a wasteful number, since it uses less digits than its factorization.

213953948182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84835143.

The product of its digits is 3732480, while the sum is 55.

The spelling of 213953948182 in words is "two hundred thirteen billion, nine hundred fifty-three million, nine hundred forty-eight thousand, one hundred eighty-two".