32351138917 has 2 divisors, whose sum is σ = 32351138918. Its totient is φ = 32351138916.

The previous prime is 32351138843. The next prime is 32351138923. The reversal of 32351138917 is 71983115323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25553301316 + 6797837601 = 159854^2 + 82449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32351138917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32351138947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16175569458 + 16175569459.

It is an arithmetic number, because the mean of its divisors is an integer number (16175569459).

Almost surely, 2^32351138917 is an apocalyptic number.

It is an amenable number.

32351138917 is a deficient number, since it is larger than the sum of its proper divisors (1).

32351138917 is an equidigital number, since it uses as much as digits as its factorization.

32351138917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The spelling of 32351138917 in words is "thirty-two billion, three hundred fifty-one million, one hundred thirty-eight thousand, nine hundred seventeen".