38970747593 has 2 divisors, whose sum is σ = 38970747594. Its totient is φ = 38970747592.

The previous prime is 38970747553. The next prime is 38970747617. The reversal of 38970747593 is 39574707983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38884684864 + 86062729 = 197192^2 + 9277^2 .

It is a cyclic number.

It is not a de Polignac number, because 38970747593 - 2²⁰ = 38969699017 is a prime.

It is not a weakly prime, because it can be changed into another prime (38970747523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19485373796 + 19485373797.

It is an arithmetic number, because the mean of its divisors is an integer number (19485373797).

Almost surely, 2^38970747593 is an apocalyptic number.

It is an amenable number.

38970747593 is a deficient number, since it is larger than the sum of its proper divisors (1).

38970747593 is an equidigital number, since it uses as much as digits as its factorization.

38970747593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40007520, while the sum is 62.

The spelling of 38970747593 in words is "thirty-eight billion, nine hundred seventy million, seven hundred forty-seven thousand, five hundred ninety-three".