32899570997 has 4 divisors (see below), whose sum is σ = 32918959596. Its totient is φ = 32880182400.

The previous prime is 32899570993. The next prime is 32899570999. The reversal of 32899570997 is 79907599823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31440254596 + 1459316401 = 177314^2 + 38201^2 .

It is a cyclic number.

It is not a de Polignac number, because 32899570997 - 2² = 32899570993 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 (32899570993) 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, 9691754 + ... + 9695147.

It is an arithmetic number, because the mean of its divisors is an integer number (8229739899).

Almost surely, 2^32899570997 is an apocalyptic number.

It is an amenable number.

32899570997 is a deficient number, since it is larger than the sum of its proper divisors (19388599).

32899570997 is a wasteful number, since it uses less digits than its factorization.

32899570997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19388598.

The product of its (nonzero) digits is 77157360, while the sum is 68.

The spelling of 32899570997 in words is "thirty-two billion, eight hundred ninety-nine million, five hundred seventy thousand, nine hundred ninety-seven".