34751513921 has 2 divisors, whose sum is σ = 34751513922. Its totient is φ = 34751513920.

The previous prime is 34751513903. The next prime is 34751513957. The reversal of 34751513921 is 12931515743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33083608321 + 1667905600 = 181889^2 + 40840^2 .

It is a cyclic number.

It is not a de Polignac number, because 34751513921 - 2⁶ = 34751513857 is a prime.

It is not a weakly prime, because it can be changed into another prime (34751513981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17375756960 + 17375756961.

It is an arithmetic number, because the mean of its divisors is an integer number (17375756961).

Almost surely, 2^34751513921 is an apocalyptic number.

It is an amenable number.

34751513921 is a deficient number, since it is larger than the sum of its proper divisors (1).

34751513921 is an equidigital number, since it uses as much as digits as its factorization.

34751513921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 41.

The spelling of 34751513921 in words is "thirty-four billion, seven hundred fifty-one million, five hundred thirteen thousand, nine hundred twenty-one".