38113769 has 2 divisors, whose sum is σ = 38113770. Its totient is φ = 38113768.

The previous prime is 38113741. The next prime is 38113793. The reversal of 38113769 is 96731183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31416025 + 6697744 = 5605^2 + 2588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38113769 is a prime.

It is a super-2 number, since 2×38113769² = 2905318774770722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (38113709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19056884 + 19056885.

It is an arithmetic number, because the mean of its divisors is an integer number (19056885).

Almost surely, 2^38113769 is an apocalyptic number.

It is an amenable number.

38113769 is a deficient number, since it is larger than the sum of its proper divisors (1).

38113769 is an equidigital number, since it uses as much as digits as its factorization.

38113769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 38113769 is about 6173.6349908300. The cubic root of 38113769 is about 336.5327226976.

The spelling of 38113769 in words is "thirty-eight million, one hundred thirteen thousand, seven hundred sixty-nine".