214739391836 has 12 divisors (see below), whose sum is σ = 387916320960. Its totient is φ = 103906157280.

The previous prime is 214739391799. The next prime is 214739391847. The reversal of 214739391836 is 638193937412.

It is a super-2 number, since 2×214739391836² (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 3 ways as a sum of consecutive naturals, for example, 865884521 + ... + 865884768.

It is an arithmetic number, because the mean of its divisors is an integer number (32326360080).

Almost surely, 2^214739391836 is an apocalyptic number.

It is an amenable number.

214739391836 is a deficient number, since it is larger than the sum of its proper divisors (173176929124).

214739391836 is a wasteful number, since it uses less digits than its factorization.

214739391836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731769324 (or 1731769322 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 56.

The spelling of 214739391836 in words is "two hundred fourteen billion, seven hundred thirty-nine million, three hundred ninety-one thousand, eight hundred thirty-six".