34910990789 has 2 divisors, whose sum is σ = 34910990790. Its totient is φ = 34910990788.

The previous prime is 34910990761. The next prime is 34910990809. The reversal of 34910990789 is 98709901943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25912950625 + 8998040164 = 160975^2 + 94858^2 .

It is a cyclic number.

It is not a de Polignac number, because 34910990789 - 2²⁰ = 34909942213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34910990729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17455495394 + 17455495395.

It is an arithmetic number, because the mean of its divisors is an integer number (17455495395).

Almost surely, 2^34910990789 is an apocalyptic number.

It is an amenable number.

34910990789 is a deficient number, since it is larger than the sum of its proper divisors (1).

34910990789 is an equidigital number, since it uses as much as digits as its factorization.

34910990789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4408992, while the sum is 59.

The spelling of 34910990789 in words is "thirty-four billion, nine hundred ten million, nine hundred ninety thousand, seven hundred eighty-nine".