38362316817961 has 2 divisors, whose sum is σ = 38362316817962. Its totient is φ = 38362316817960.

The previous prime is 38362316817953. The next prime is 38362316818031. The reversal of 38362316817961 is 16971861326383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38313190755225 + 49126062736 = 6189765^2 + 221644^2 .

It is a cyclic number.

It is not a de Polignac number, because 38362316817961 - 2³ = 38362316817953 is a prime.

It is a super-2 number, since 2×38362316817961² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38362316817893 and 38362316817902.

It is not a weakly prime, because it can be changed into another prime (38362316815961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19181158408980 + 19181158408981.

It is an arithmetic number, because the mean of its divisors is an integer number (19181158408981).

Almost surely, 2^{38362316817961} is an apocalyptic number.

It is an amenable number.

38362316817961 is a deficient number, since it is larger than the sum of its proper divisors (1).

38362316817961 is an equidigital number, since it uses as much as digits as its factorization.

38362316817961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47029248, while the sum is 64.

The spelling of 38362316817961 in words is "thirty-eight trillion, three hundred sixty-two billion, three hundred sixteen million, eight hundred seventeen thousand, nine hundred sixty-one".