32899316391 has 48 divisors (see below), whose sum is σ = 50086414560. Its totient is φ = 20788669440.

The previous prime is 32899316377. The next prime is 32899316413. The reversal of 32899316391 is 19361399823.

It is a happy number.

It is not a de Polignac number, because 32899316391 - 2⁶ = 32899316327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32899316321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1795665 + ... + 1813893.

It is an arithmetic number, because the mean of its divisors is an integer number (1043466970).

Almost surely, 2^32899316391 is an apocalyptic number.

32899316391 is a deficient number, since it is larger than the sum of its proper divisors (17187098169).

32899316391 is a wasteful number, since it uses less digits than its factorization.

32899316391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18416 (or 18413 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The spelling of 32899316391 in words is "thirty-two billion, eight hundred ninety-nine million, three hundred sixteen thousand, three hundred ninety-one".