102939372486 has 48 divisors (see below), whose sum is σ = 230791448160. Its totient is φ = 33120541440.

The previous prime is 102939372479. The next prime is 102939372491. The reversal of 102939372486 is 684273939201.

102939372486 is a `hidden beast` number, since 1 + 0 + 2 + 9 + 3 + 93 + 72 + 486 = 666.

It is a super-2 number, since 2×102939372486² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1953951 + ... + 2005941.

It is an arithmetic number, because the mean of its divisors is an integer number (4808155170).

Almost surely, 2^102939372486 is an apocalyptic number.

102939372486 is an abundant number, since it is smaller than the sum of its proper divisors (127852075674).

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

102939372486 is a wasteful number, since it uses less digits than its factorization.

102939372486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55821 (or 55818 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 102939372486 in words is "one hundred two billion, nine hundred thirty-nine million, three hundred seventy-two thousand, four hundred eighty-six".