34021583957 has 2 divisors, whose sum is σ = 34021583958. Its totient is φ = 34021583956.

The previous prime is 34021583929. The next prime is 34021583993. The reversal of 34021583957 is 75938512043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33875874916 + 145709041 = 184054^2 + 12071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34021583957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34021583917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17010791978 + 17010791979.

It is an arithmetic number, because the mean of its divisors is an integer number (17010791979).

Almost surely, 2^34021583957 is an apocalyptic number.

It is an amenable number.

34021583957 is a deficient number, since it is larger than the sum of its proper divisors (1).

34021583957 is an equidigital number, since it uses as much as digits as its factorization.

34021583957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 34021583957 in words is "thirty-four billion, twenty-one million, five hundred eighty-three thousand, nine hundred fifty-seven".