34139740517 has 2 divisors, whose sum is σ = 34139740518. Its totient is φ = 34139740516.

The previous prime is 34139740513. The next prime is 34139740529. The reversal of 34139740517 is 71504793143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33533300641 + 606439876 = 183121^2 + 24626^2 .

It is a cyclic number.

It is not a de Polignac number, because 34139740517 - 2² = 34139740513 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34139740513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17069870258 + 17069870259.

It is an arithmetic number, because the mean of its divisors is an integer number (17069870259).

Almost surely, 2^34139740517 is an apocalyptic number.

It is an amenable number.

34139740517 is a deficient number, since it is larger than the sum of its proper divisors (1).

34139740517 is an equidigital number, since it uses as much as digits as its factorization.

34139740517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 34139740517 in words is "thirty-four billion, one hundred thirty-nine million, seven hundred forty thousand, five hundred seventeen".