38773422565825 has 6 divisors (see below), whose sum is σ = 48079043981654. Its totient is φ = 31018738052640.

The previous prime is 38773422565807. The next prime is 38773422565841. The reversal of 38773422565825 is 52856522437783.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5156201108529 + 33617221457296 = 2270727^2 + 5798036^2 .

It is not a de Polignac number, because 38773422565825 - 2⁷ = 38773422565697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 775468451292 + ... + 775468451341.

Almost surely, 2^{38773422565825} is an apocalyptic number.

It is an amenable number.

38773422565825 is a deficient number, since it is larger than the sum of its proper divisors (9305621415829).

38773422565825 is a wasteful number, since it uses less digits than its factorization.

38773422565825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550936902643 (or 1550936902638 counting only the distinct ones).

The product of its digits is 677376000, while the sum is 67.

The spelling of 38773422565825 in words is "thirty-eight trillion, seven hundred seventy-three billion, four hundred twenty-two million, five hundred sixty-five thousand, eight hundred twenty-five".