38530812725 has 6 divisors (see below), whose sum is σ = 47778207810. Its totient is φ = 30824650160.

The previous prime is 38530812689. The next prime is 38530812779. The reversal of 38530812725 is 52721803583.

It can be written as a sum of positive squares in 3 ways, for example, as 3364812049 + 35166000676 = 58007^2 + 187526^2 .

It is not a de Polignac number, because 38530812725 - 2⁸ = 38530812469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 770616230 + ... + 770616279.

It is an arithmetic number, because the mean of its divisors is an integer number (7963034635).

Almost surely, 2^38530812725 is an apocalyptic number.

It is an amenable number.

38530812725 is a deficient number, since it is larger than the sum of its proper divisors (9247395085).

38530812725 is a wasteful number, since it uses less digits than its factorization.

38530812725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541232519 (or 1541232514 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 38530812725 in words is "thirty-eight billion, five hundred thirty million, eight hundred twelve thousand, seven hundred twenty-five".