32239136857 has 2 divisors, whose sum is σ = 32239136858. Its totient is φ = 32239136856.

The previous prime is 32239136843. The next prime is 32239136873. The reversal of 32239136857 is 75863193223.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29420482576 + 2818654281 = 171524^2 + 53091^2 .

It is a cyclic number.

It is not a de Polignac number, because 32239136857 - 2⁷ = 32239136729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32239136857.

It is not a weakly prime, because it can be changed into another prime (32239136827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16119568428 + 16119568429.

It is an arithmetic number, because the mean of its divisors is an integer number (16119568429).

Almost surely, 2^32239136857 is an apocalyptic number.

It is an amenable number.

32239136857 is a deficient number, since it is larger than the sum of its proper divisors (1).

32239136857 is an equidigital number, since it uses as much as digits as its factorization.

32239136857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 49.

The spelling of 32239136857 in words is "thirty-two billion, two hundred thirty-nine million, one hundred thirty-six thousand, eight hundred fifty-seven".