31642622653 has 8 divisors (see below), whose sum is σ = 32665456640. Its totient is φ = 30619920240.

The previous prime is 31642622621. The next prime is 31642622657. The reversal of 31642622653 is 35622624613.

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

It is a cyclic number.

It is not a de Polignac number, because 31642622653 - 2⁵ = 31642622621 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 (31642622657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758308 + ... + 798946.

It is an arithmetic number, because the mean of its divisors is an integer number (4083182080).

Almost surely, 2^31642622653 is an apocalyptic number.

It is an amenable number.

31642622653 is a deficient number, since it is larger than the sum of its proper divisors (1022833987).

31642622653 is a wasteful number, since it uses less digits than its factorization.

31642622653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65787.

The product of its digits is 311040, while the sum is 40.

The spelling of 31642622653 in words is "thirty-one billion, six hundred forty-two million, six hundred twenty-two thousand, six hundred fifty-three".