19142990748 has 72 divisors (see below), whose sum is σ = 56080926720. Its totient is φ = 5392386720.

The previous prime is 19142990707. The next prime is 19142990771. The reversal of 19142990748 is 84709924191.

19142990748 is a `hidden beast` number, since 1 + 91 + 429 + 90 + 7 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 19142990694 and 19142990703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 517068 + ... + 552851.

It is an arithmetic number, because the mean of its divisors is an integer number (778901760).

Almost surely, 2^19142990748 is an apocalyptic number.

19142990748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19142990748 is an abundant number, since it is smaller than the sum of its proper divisors (36937935972).

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

19142990748 is a wasteful number, since it uses less digits than its factorization.

19142990748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070007 (or 1070002 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 19142990748 in words is "nineteen billion, one hundred forty-two million, nine hundred ninety thousand, seven hundred forty-eight".