38738140531 has 2 divisors, whose sum is σ = 38738140532. Its totient is φ = 38738140530.

The previous prime is 38738140501. The next prime is 38738140537. The reversal of 38738140531 is 13504183783.

38738140531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38738140531 - 2⁹ = 38738140019 is a prime.

It is a super-2 number, since 2×38738140531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38738140537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19369070265 + 19369070266.

It is an arithmetic number, because the mean of its divisors is an integer number (19369070266).

Almost surely, 2^38738140531 is an apocalyptic number.

38738140531 is a deficient number, since it is larger than the sum of its proper divisors (1).

38738140531 is an equidigital number, since it uses as much as digits as its factorization.

38738140531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 38738140531 in words is "thirty-eight billion, seven hundred thirty-eight million, one hundred forty thousand, five hundred thirty-one".