15414691992 has 64 divisors (see below), whose sum is σ = 44053305600. Its totient is φ = 4403064960.

The previous prime is 15414691991. The next prime is 15414691993. The reversal of 15414691992 is 29919641451.

It is an interprime number because it is at equal distance from previous prime (15414691991) and next prime (15414691993).

It is a super-2 number, since 2×15414691992² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15414691991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815367 + ... + 834057.

It is an arithmetic number, because the mean of its divisors is an integer number (688332900).

Almost surely, 2^15414691992 is an apocalyptic number.

15414691992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15414691992 is an abundant number, since it is smaller than the sum of its proper divisors (28638613608).

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

15414691992 is a wasteful number, since it uses less digits than its factorization.

15414691992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23616 (or 23612 counting only the distinct ones).

The product of its digits is 699840, while the sum is 51.

The spelling of 15414691992 in words is "fifteen billion, four hundred fourteen million, six hundred ninety-one thousand, nine hundred ninety-two".