2321975493 has 6 divisors (see below), whose sum is σ = 3353964614. Its totient is φ = 1547983656.

The previous prime is 2321975489. The next prime is 2321975501. The reversal of 2321975493 is 3945791232.

It can be written as a sum of positive squares in only one way, i.e., 1281138849 + 1040836644 = 35793^2 + 32262^2 .

It is not a de Polignac number, because 2321975493 - 2² = 2321975489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321975993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128998630 + ... + 128998647.

Almost surely, 2^2321975493 is an apocalyptic number.

It is an amenable number.

2321975493 is a deficient number, since it is larger than the sum of its proper divisors (1031989121).

2321975493 is a wasteful number, since it uses less digits than its factorization.

2321975493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257997283 (or 257997280 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 2321975493 is about 48186.8809220933. The cubic root of 2321975493 is about 1324.1968300591.

The spelling of 2321975493 in words is "two billion, three hundred twenty-one million, nine hundred seventy-five thousand, four hundred ninety-three".