38626689025 has 6 divisors (see below), whose sum is σ = 47897094422. Its totient is φ = 30901351200.

The previous prime is 38626689019. The next prime is 38626689029. The reversal of 38626689025 is 52098662683.

It can be written as a sum of positive squares in 3 ways, for example, as 11488409856 + 27138279169 = 107184^2 + 164737^2 .

It is not a de Polignac number, because 38626689025 - 2⁵ = 38626688993 is a prime.

It is a super-2 number, since 2×38626689025² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38626689029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 772533756 + ... + 772533805.

Almost surely, 2^38626689025 is an apocalyptic number.

It is an amenable number.

38626689025 is a deficient number, since it is larger than the sum of its proper divisors (9270405397).

38626689025 is a wasteful number, since it uses less digits than its factorization.

38626689025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545067571 (or 1545067566 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 38626689025 in words is "thirty-eight billion, six hundred twenty-six million, six hundred eighty-nine thousand, twenty-five".