38726948137 has 4 divisors (see below), whose sum is σ = 38730773376. Its totient is φ = 38723122900.

The previous prime is 38726948123. The next prime is 38726948153. The reversal of 38726948137 is 73184962783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73184962783 = 1163 ⋅62927741.

It is a cyclic number.

It is not a de Polignac number, because 38726948137 - 2³¹ = 36579464489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38726940137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1897393 + ... + 1917694.

It is an arithmetic number, because the mean of its divisors is an integer number (9682693344).

Almost surely, 2^38726948137 is an apocalyptic number.

It is an amenable number.

38726948137 is a deficient number, since it is larger than the sum of its proper divisors (3825239).

38726948137 is a wasteful number, since it uses less digits than its factorization.

38726948137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825238.

The product of its digits is 12192768, while the sum is 58.

The spelling of 38726948137 in words is "thirty-eight billion, seven hundred twenty-six million, nine hundred forty-eight thousand, one hundred thirty-seven".