32109949957 has 2 divisors, whose sum is σ = 32109949958. Its totient is φ = 32109949956.

The previous prime is 32109949933. The next prime is 32109949967. The reversal of 32109949957 is 75994990123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21183638116 + 10926311841 = 145546^2 + 104529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32109949957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32109949967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16054974978 + 16054974979.

It is an arithmetic number, because the mean of its divisors is an integer number (16054974979).

Almost surely, 2^32109949957 is an apocalyptic number.

It is an amenable number.

32109949957 is a deficient number, since it is larger than the sum of its proper divisors (1).

32109949957 is an equidigital number, since it uses as much as digits as its factorization.

32109949957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5511240, while the sum is 58.

The spelling of 32109949957 in words is "thirty-two billion, one hundred nine million, nine hundred forty-nine thousand, nine hundred fifty-seven".