38407068715507 has 2 divisors, whose sum is σ = 38407068715508. Its totient is φ = 38407068715506.

The previous prime is 38407068715471. The next prime is 38407068715537. The reversal of 38407068715507 is 70551786070483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38407068715507 - 2³⁹ = 37857312901619 is a prime.

It is not a weakly prime, because it can be changed into another prime (38407068715537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19203534357753 + 19203534357754.

It is an arithmetic number, because the mean of its divisors is an integer number (19203534357754).

Almost surely, 2^{38407068715507} is an apocalyptic number.

38407068715507 is a deficient number, since it is larger than the sum of its proper divisors (1).

38407068715507 is an equidigital number, since it uses as much as digits as its factorization.

38407068715507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39513600, while the sum is 61.

The spelling of 38407068715507 in words is "thirty-eight trillion, four hundred seven billion, sixty-eight million, seven hundred fifteen thousand, five hundred seven".