919374960553 has 20 divisors (see below), whose sum is σ = 1072731596048. Its totient is φ = 787895133480.

The previous prime is 919374960547. The next prime is 919374960613. The reversal of 919374960553 is 355069473919.

It is a de Polignac number, because none of the positive numbers 2^k-919374960553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 919374960491 and 919374960500.

It is not an unprimeable number, because it can be changed into a prime (919374960253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14766298 + ... + 14828428.

Almost surely, 2^919374960553 is an apocalyptic number.

It is an amenable number.

919374960553 is a deficient number, since it is larger than the sum of its proper divisors (153356635495).

919374960553 is an frugal number, since it uses more digits than its factorization.

919374960553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68322 (or 68301 counting only the distinct ones).

The product of its (nonzero) digits is 27556200, while the sum is 61.

The spelling of 919374960553 in words is "nine hundred nineteen billion, three hundred seventy-four million, nine hundred sixty thousand, five hundred fifty-three".