39397422563 has 2 divisors, whose sum is σ = 39397422564. Its totient is φ = 39397422562.

The previous prime is 39397422509. The next prime is 39397422619. The reversal of 39397422563 is 36522479393.

39397422563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39397422563 - 2²⁰ = 39396373987 is a prime.

It is not a weakly prime, because it can be changed into another prime (39397422263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19698711281 + 19698711282.

It is an arithmetic number, because the mean of its divisors is an integer number (19698711282).

Almost surely, 2^39397422563 is an apocalyptic number.

39397422563 is a deficient number, since it is larger than the sum of its proper divisors (1).

39397422563 is an equidigital number, since it uses as much as digits as its factorization.

39397422563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 53.

The spelling of 39397422563 in words is "thirty-nine billion, three hundred ninety-seven million, four hundred twenty-two thousand, five hundred sixty-three".