19268538980 has 12 divisors (see below), whose sum is σ = 40463931900. Its totient is φ = 7707415584.

The previous prime is 19268538959. The next prime is 19268539001. The reversal of 19268538980 is 8983586291.

It is an interprime number because it is at equal distance from previous prime (19268538959) and next prime (19268539001).

It can be written as a sum of positive squares in 2 ways, for example, as 4339120384 + 14929418596 = 65872^2 + 122186^2 .

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481713455 + ... + 481713494.

It is an arithmetic number, because the mean of its divisors is an integer number (3371994325).

Almost surely, 2^19268538980 is an apocalyptic number.

19268538980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19268538980 is an abundant number, since it is smaller than the sum of its proper divisors (21195392920).

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

19268538980 is a wasteful number, since it uses less digits than its factorization.

19268538980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963426958 (or 963426956 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 59.

The spelling of 19268538980 in words is "nineteen billion, two hundred sixty-eight million, five hundred thirty-eight thousand, nine hundred eighty".