32272966381 has 2 divisors, whose sum is σ = 32272966382. Its totient is φ = 32272966380.

The previous prime is 32272966337. The next prime is 32272966391. The reversal of 32272966381 is 18366927223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23890648356 + 8382318025 = 154566^2 + 91555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32272966381 is a prime.

It is a super-2 number, since 2×32272966381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32272966391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16136483190 + 16136483191.

It is an arithmetic number, because the mean of its divisors is an integer number (16136483191).

Almost surely, 2^32272966381 is an apocalyptic number.

It is an amenable number.

32272966381 is a deficient number, since it is larger than the sum of its proper divisors (1).

32272966381 is an equidigital number, since it uses as much as digits as its factorization.

32272966381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 49.

The spelling of 32272966381 in words is "thirty-two billion, two hundred seventy-two million, nine hundred sixty-six thousand, three hundred eighty-one".