38751579365 has 4 divisors (see below), whose sum is σ = 46501895244. Its totient is φ = 31001263488.

The previous prime is 38751579341. The next prime is 38751579457. The reversal of 38751579365 is 56397515783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56397515783 = 7 ⋅8056787969.

It can be written as a sum of positive squares in 2 ways, for example, as 28905780289 + 9845799076 = 170017^2 + 99226^2 .

It is a cyclic number.

It is not a de Polignac number, because 38751579365 - 2³⁰ = 37677837541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3875157932 + ... + 3875157941.

It is an arithmetic number, because the mean of its divisors is an integer number (11625473811).

Almost surely, 2^38751579365 is an apocalyptic number.

It is an amenable number.

38751579365 is a deficient number, since it is larger than the sum of its proper divisors (7750315879).

38751579365 is an equidigital number, since it uses as much as digits as its factorization.

38751579365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750315878.

The product of its digits is 23814000, while the sum is 59.

The spelling of 38751579365 in words is "thirty-eight billion, seven hundred fifty-one million, five hundred seventy-nine thousand, three hundred sixty-five".