214979764442538 has 32 divisors (see below), whose sum is σ = 436071541441536. Its totient is φ = 70644950250608.

The previous prime is 214979764442537. The next prime is 214979764442549. The reversal of 214979764442538 is 835244467979412.

214979764442538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 214979764442538.

It is not an unprimeable number, because it can be changed into a prime (214979764442537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461958306 + ... + 462423437.

It is an arithmetic number, because the mean of its divisors is an integer number (13627235670048).

Almost surely, 2^{214979764442538} is an apocalyptic number.

214979764442538 is an abundant number, since it is smaller than the sum of its proper divisors (221091776998998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214979764442538 is a wasteful number, since it uses less digits than its factorization.

214979764442538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924382298.

The product of its digits is 2926264320, while the sum is 75.

The spelling of 214979764442538 in words is "two hundred fourteen trillion, nine hundred seventy-nine billion, seven hundred sixty-four million, four hundred forty-two thousand, five hundred thirty-eight".