39343295917 has 2 divisors, whose sum is σ = 39343295918. Its totient is φ = 39343295916.

The previous prime is 39343295911. The next prime is 39343295923. The reversal of 39343295917 is 71959234393.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (39343295911) and next prime (39343295923).

It can be written as a sum of positive squares in only one way, i.e., 36641999241 + 2701296676 = 191421^2 + 51974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39343295917 is a prime.

It is a super-2 number, since 2×39343295917² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39343295911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19671647958 + 19671647959.

It is an arithmetic number, because the mean of its divisors is an integer number (19671647959).

Almost surely, 2^39343295917 is an apocalyptic number.

It is an amenable number.

39343295917 is a deficient number, since it is larger than the sum of its proper divisors (1).

39343295917 is an equidigital number, since it uses as much as digits as its factorization.

39343295917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5511240, while the sum is 55.

The spelling of 39343295917 in words is "thirty-nine billion, three hundred forty-three million, two hundred ninety-five thousand, nine hundred seventeen".