34076778641 has 2 divisors, whose sum is σ = 34076778642. Its totient is φ = 34076778640.

The previous prime is 34076778623. The next prime is 34076778661. The reversal of 34076778641 is 14687767043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22348755025 + 11728023616 = 149495^2 + 108296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34076778641 is a prime.

It is a super-2 number, since 2×34076778641² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34076778601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17038389320 + 17038389321.

It is an arithmetic number, because the mean of its divisors is an integer number (17038389321).

Almost surely, 2^34076778641 is an apocalyptic number.

It is an amenable number.

34076778641 is a deficient number, since it is larger than the sum of its proper divisors (1).

34076778641 is an equidigital number, since it uses as much as digits as its factorization.

34076778641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 34076778641 in words is "thirty-four billion, seventy-six million, seven hundred seventy-eight thousand, six hundred forty-one".