38475085739 has 2 divisors, whose sum is σ = 38475085740. Its totient is φ = 38475085738.

The previous prime is 38475085669. The next prime is 38475085751. The reversal of 38475085739 is 93758057483.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38475085739 is a prime.

It is a super-2 number, since 2×38475085739² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (38475085799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19237542869 + 19237542870.

It is an arithmetic number, because the mean of its divisors is an integer number (19237542870).

Almost surely, 2^38475085739 is an apocalyptic number.

38475085739 is a deficient number, since it is larger than the sum of its proper divisors (1).

38475085739 is an equidigital number, since it uses as much as digits as its factorization.

38475085739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 38475085739 in words is "thirty-eight billion, four hundred seventy-five million, eighty-five thousand, seven hundred thirty-nine".