34691431517 has 2 divisors, whose sum is σ = 34691431518. Its totient is φ = 34691431516.

The previous prime is 34691431501. The next prime is 34691431519. The reversal of 34691431517 is 71513419643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19485088921 + 15206342596 = 139589^2 + 123314^2 .

It is an emirp because it is prime and its reverse (71513419643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34691431517 - 2⁴ = 34691431501 is a prime.

Together with 34691431519, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34691431519) 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, 17345715758 + 17345715759.

It is an arithmetic number, because the mean of its divisors is an integer number (17345715759).

Almost surely, 2^34691431517 is an apocalyptic number.

It is an amenable number.

34691431517 is a deficient number, since it is larger than the sum of its proper divisors (1).

34691431517 is an equidigital number, since it uses as much as digits as its factorization.

34691431517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The spelling of 34691431517 in words is "thirty-four billion, six hundred ninety-one million, four hundred thirty-one thousand, five hundred seventeen".