2321979542553 has 16 divisors (see below), whose sum is σ = 3434669280000. Its totient is φ = 1383408457680.

The previous prime is 2321979542527. The next prime is 2321979542567. The reversal of 2321979542553 is 3552459791232.

It is not a de Polignac number, because 2321979542553 - 2⁸ = 2321979542297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2321979542493 and 2321979542502.

It is not an unprimeable number, because it can be changed into a prime (2321979542503) 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, 596294803 + ... + 596298696.

It is an arithmetic number, because the mean of its divisors is an integer number (214666830000).

Almost surely, 2^{2321979542553} is an apocalyptic number.

It is an amenable number.

2321979542553 is a deficient number, since it is larger than the sum of its proper divisors (1112689737447).

2321979542553 is a wasteful number, since it uses less digits than its factorization.

2321979542553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192593572.

The product of its digits is 20412000, while the sum is 57.

The spelling of 2321979542553 in words is "two trillion, three hundred twenty-one billion, nine hundred seventy-nine million, five hundred forty-two thousand, five hundred fifty-three".