38750163869 has 2 divisors, whose sum is σ = 38750163870. Its totient is φ = 38750163868.

The previous prime is 38750163857. The next prime is 38750163913. The reversal of 38750163869 is 96836105783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35179503844 + 3570660025 = 187562^2 + 59755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38750163869 is a prime.

It is a super-2 number, since 2×38750163869² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38750163839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19375081934 + 19375081935.

It is an arithmetic number, because the mean of its divisors is an integer number (19375081935).

Almost surely, 2^38750163869 is an apocalyptic number.

It is an amenable number.

38750163869 is a deficient number, since it is larger than the sum of its proper divisors (1).

38750163869 is an equidigital number, since it uses as much as digits as its factorization.

38750163869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 38750163869 in words is "thirty-eight billion, seven hundred fifty million, one hundred sixty-three thousand, eight hundred sixty-nine".