3869768137 has 2 divisors, whose sum is σ = 3869768138. Its totient is φ = 3869768136.

The previous prime is 3869768117. The next prime is 3869768141. The reversal of 3869768137 is 7318679683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3219314121 + 650454016 = 56739^2 + 25504^2 .

It is a cyclic number.

It is not a de Polignac number, because 3869768137 - 2²⁷ = 3735550409 is a prime.

It is not a weakly prime, because it can be changed into another prime (3869768107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934884068 + 1934884069.

It is an arithmetic number, because the mean of its divisors is an integer number (1934884069).

Almost surely, 2^3869768137 is an apocalyptic number.

It is an amenable number.

3869768137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3869768137 is an equidigital number, since it uses as much as digits as its factorization.

3869768137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 58.

The square root of 3869768137 is about 62207.4604609447. The cubic root of 3869768137 is about 1569.9831143464.

The spelling of 3869768137 in words is "three billion, eight hundred sixty-nine million, seven hundred sixty-eight thousand, one hundred thirty-seven".