19972332357 has 8 divisors (see below), whose sum is σ = 26650634976. Its totient is φ = 13304458992.

The previous prime is 19972332349. The next prime is 19972332383. The reversal of 19972332357 is 75323327991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19972332357 - 2³ = 19972332349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19972333357) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2602843 + ... + 2610504.

It is an arithmetic number, because the mean of its divisors is an integer number (3331329372).

Almost surely, 2^19972332357 is an apocalyptic number.

It is an amenable number.

19972332357 is a deficient number, since it is larger than the sum of its proper divisors (6678302619).

19972332357 is a wasteful number, since it uses less digits than its factorization.

19972332357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5214627.

The product of its digits is 2143260, while the sum is 51.

The spelling of 19972332357 in words is "nineteen billion, nine hundred seventy-two million, three hundred thirty-two thousand, three hundred fifty-seven".