101939396724 has 48 divisors (see below), whose sum is σ = 288313448640. Its totient is φ = 30890725920.

The previous prime is 101939396723. The next prime is 101939396731. The reversal of 101939396724 is 427693939101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101939396723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42902599 + ... + 42904974.

It is an arithmetic number, because the mean of its divisors is an integer number (6006530180).

Almost surely, 2^101939396724 is an apocalyptic number.

It is an amenable number.

101939396724 is an abundant number, since it is smaller than the sum of its proper divisors (186374051916).

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

101939396724 is a wasteful number, since it uses less digits than its factorization.

101939396724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85807597 (or 85807589 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The spelling of 101939396724 in words is "one hundred one billion, nine hundred thirty-nine million, three hundred ninety-six thousand, seven hundred twenty-four".