32157314897 has 4 divisors (see below), whose sum is σ = 32320550196. Its totient is φ = 31994079600.

The previous prime is 32157314887. The next prime is 32157314933. The reversal of 32157314897 is 79841375123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79841375123 = 4723 ⋅16904801.

It can be written as a sum of positive squares in 2 ways, for example, as 31894745281 + 262569616 = 178591^2 + 16204^2 .

It is a cyclic number.

It is not a de Polignac number, because 32157314897 - 2⁸ = 32157314641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32157314837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81617354 + ... + 81617747.

It is an arithmetic number, because the mean of its divisors is an integer number (8080137549).

Almost surely, 2^32157314897 is an apocalyptic number.

It is an amenable number.

32157314897 is a deficient number, since it is larger than the sum of its proper divisors (163235299).

32157314897 is a wasteful number, since it uses less digits than its factorization.

32157314897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163235298.

The product of its digits is 1270080, while the sum is 50.

The spelling of 32157314897 in words is "thirty-two billion, one hundred fifty-seven million, three hundred fourteen thousand, eight hundred ninety-seven".