38667681875131 has 2 divisors, whose sum is σ = 38667681875132. Its totient is φ = 38667681875130.

The previous prime is 38667681875129. The next prime is 38667681875159. The reversal of 38667681875131 is 13157818676683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38667681875131 - 2¹ = 38667681875129 is a prime.

It is a super-2 number, since 2×38667681875131² (a number of 28 digits) contains 22 as substring.

Together with 38667681875129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38667681375131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19333840937565 + 19333840937566.

It is an arithmetic number, because the mean of its divisors is an integer number (19333840937566).

Almost surely, 2^{38667681875131} is an apocalyptic number.

38667681875131 is a deficient number, since it is larger than the sum of its proper divisors (1).

38667681875131 is an equidigital number, since it uses as much as digits as its factorization.

38667681875131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243855360, while the sum is 70.

The spelling of 38667681875131 in words is "thirty-eight trillion, six hundred sixty-seven billion, six hundred eighty-one million, eight hundred seventy-five thousand, one hundred thirty-one".