19624960553 has 16 divisors (see below), whose sum is σ = 21862023936. Its totient is φ = 17466665040.

The previous prime is 19624960549. The next prime is 19624960561. The reversal of 19624960553 is 35506942691.

It is not a de Polignac number, because 19624960553 - 2² = 19624960549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19624965553) 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, 38450 + ... + 201812.

It is an arithmetic number, because the mean of its divisors is an integer number (1366376496).

Almost surely, 2^19624960553 is an apocalyptic number.

It is an amenable number.

19624960553 is a deficient number, since it is larger than the sum of its proper divisors (2237063383).

19624960553 is a wasteful number, since it uses less digits than its factorization.

19624960553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163604.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 19624960553 in words is "nineteen billion, six hundred twenty-four million, nine hundred sixty thousand, five hundred fifty-three".