101395439964 has 144 divisors (see below), whose sum is σ = 325628692480. Its totient is φ = 25878994560.

The previous prime is 101395439927. The next prime is 101395439987. The reversal of 101395439964 is 469934593101.

It is a happy number.

101395439964 is a `hidden beast` number, since 1 + 0 + 1 + 3 + 9 + 543 + 9 + 96 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 101395439964.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 397654 + ... + 600765.

Almost surely, 2^101395439964 is an apocalyptic number.

101395439964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

101395439964 is an abundant number, since it is smaller than the sum of its proper divisors (224233252516).

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

101395439964 is a wasteful number, since it uses less digits than its factorization.

101395439964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998480 (or 998475 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 101395439964 in words is "one hundred one billion, three hundred ninety-five million, four hundred thirty-nine thousand, nine hundred sixty-four".