38113739 has 2 divisors, whose sum is σ = 38113740. Its totient is φ = 38113738.

The previous prime is 38113717. The next prime is 38113741. The reversal of 38113739 is 93731183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38113739 - 2²⁰ = 37065163 is a prime.

It is a Sophie Germain prime.

Together with 38113741, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38113699 and 38113708.

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, 19056869 + 19056870.

It is an arithmetic number, because the mean of its divisors is an integer number (19056870).

Almost surely, 2^38113739 is an apocalyptic number.

38113739 is a deficient number, since it is larger than the sum of its proper divisors (1).

38113739 is an equidigital number, since it uses as much as digits as its factorization.

38113739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 38113739 is about 6173.6325611426. The cubic root of 38113739 is about 336.5326344007.

The spelling of 38113739 in words is "thirty-eight million, one hundred thirteen thousand, seven hundred thirty-nine".