38956775141 has 2 divisors, whose sum is σ = 38956775142. Its totient is φ = 38956775140.

The previous prime is 38956775093. The next prime is 38956775149. The reversal of 38956775141 is 14157765983.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26534781025 + 12421994116 = 162895^2 + 111454^2 .

It is a cyclic number.

It is not a de Polignac number, because 38956775141 - 2²² = 38952580837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38956775149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19478387570 + 19478387571.

It is an arithmetic number, because the mean of its divisors is an integer number (19478387571).

Almost surely, 2^38956775141 is an apocalyptic number.

It is an amenable number.

38956775141 is a deficient number, since it is larger than the sum of its proper divisors (1).

38956775141 is an equidigital number, since it uses as much as digits as its factorization.

38956775141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 56.

The spelling of 38956775141 in words is "thirty-eight billion, nine hundred fifty-six million, seven hundred seventy-five thousand, one hundred forty-one".