34311992509 has 2 divisors, whose sum is σ = 34311992510. Its totient is φ = 34311992508.

The previous prime is 34311992461. The next prime is 34311992531. The reversal of 34311992509 is 90529911343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31996265625 + 2315726884 = 178875^2 + 48122^2 .

It is a cyclic number.

It is not a de Polignac number, because 34311992509 - 2²¹ = 34309895357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34311992569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17155996254 + 17155996255.

It is an arithmetic number, because the mean of its divisors is an integer number (17155996255).

Almost surely, 2^34311992509 is an apocalyptic number.

It is an amenable number.

34311992509 is a deficient number, since it is larger than the sum of its proper divisors (1).

34311992509 is an equidigital number, since it uses as much as digits as its factorization.

34311992509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 34311992509 in words is "thirty-four billion, three hundred eleven million, nine hundred ninety-two thousand, five hundred nine".