38913242971 has 2 divisors, whose sum is σ = 38913242972. Its totient is φ = 38913242970.

The previous prime is 38913242899. The next prime is 38913243041. The reversal of 38913242971 is 17924231983.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38913242971 - 2¹¹ = 38913240923 is a prime.

It is not a weakly prime, because it can be changed into another prime (38913242171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19456621485 + 19456621486.

It is an arithmetic number, because the mean of its divisors is an integer number (19456621486).

Almost surely, 2^38913242971 is an apocalyptic number.

38913242971 is a deficient number, since it is larger than the sum of its proper divisors (1).

38913242971 is an equidigital number, since it uses as much as digits as its factorization.

38913242971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 49.

The spelling of 38913242971 in words is "thirty-eight billion, nine hundred thirteen million, two hundred forty-two thousand, nine hundred seventy-one".