19371955152 has 80 divisors (see below), whose sum is σ = 54615879360. Its totient is φ = 5867904000.

The previous prime is 19371955147. The next prime is 19371955171. The reversal of 19371955152 is 25155917391.

It is a happy number.

It is a super-2 number, since 2×19371955152² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1635652 + ... + 1647452.

It is an arithmetic number, because the mean of its divisors is an integer number (682698492).

Almost surely, 2^19371955152 is an apocalyptic number.

19371955152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19371955152 is an abundant number, since it is smaller than the sum of its proper divisors (35243924208).

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

19371955152 is a wasteful number, since it uses less digits than its factorization.

19371955152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14932 (or 14926 counting only the distinct ones).

The product of its digits is 425250, while the sum is 48.

The spelling of 19371955152 in words is "nineteen billion, three hundred seventy-one million, nine hundred fifty-five thousand, one hundred fifty-two".