15942969952 has 48 divisors (see below), whose sum is σ = 38631049632. Its totient is φ = 6307107840.

The previous prime is 15942969929. The next prime is 15942969953. The reversal of 15942969952 is 25996924951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15942969953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2734549 + ... + 2740372.

It is an arithmetic number, because the mean of its divisors is an integer number (804813534).

Almost surely, 2^15942969952 is an apocalyptic number.

It is an amenable number.

15942969952 is an abundant number, since it is smaller than the sum of its proper divisors (22688079680).

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

15942969952 is a wasteful number, since it uses less digits than its factorization.

15942969952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474951 (or 5474943 counting only the distinct ones).

The product of its digits is 15746400, while the sum is 61.

The spelling of 15942969952 in words is "fifteen billion, nine hundred forty-two million, nine hundred sixty-nine thousand, nine hundred fifty-two".