38699174281 has 2 divisors, whose sum is σ = 38699174282. Its totient is φ = 38699174280.

The previous prime is 38699174279. The next prime is 38699174321. The reversal of 38699174281 is 18247199683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34230920256 + 4468254025 = 185016^2 + 66845^2 .

It is a cyclic number.

It is not a de Polignac number, because 38699174281 - 2¹ = 38699174279 is a prime.

It is a super-2 number, since 2×38699174281² (a number of 22 digits) contains 22 as substring.

Together with 38699174279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38699174201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19349587140 + 19349587141.

It is an arithmetic number, because the mean of its divisors is an integer number (19349587141).

Almost surely, 2^38699174281 is an apocalyptic number.

It is an amenable number.

38699174281 is a deficient number, since it is larger than the sum of its proper divisors (1).

38699174281 is an equidigital number, since it uses as much as digits as its factorization.

38699174281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 58.

The spelling of 38699174281 in words is "thirty-eight billion, six hundred ninety-nine million, one hundred seventy-four thousand, two hundred eighty-one".