38917473061 has 2 divisors, whose sum is σ = 38917473062. Its totient is φ = 38917473060.

The previous prime is 38917473053. The next prime is 38917473073. The reversal of 38917473061 is 16037471983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31860465025 + 7057008036 = 178495^2 + 84006^2 .

It is a cyclic number.

It is not a de Polignac number, because 38917473061 - 2³ = 38917473053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38917472996 and 38917473014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38917473031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19458736530 + 19458736531.

It is an arithmetic number, because the mean of its divisors is an integer number (19458736531).

Almost surely, 2^38917473061 is an apocalyptic number.

It is an amenable number.

38917473061 is a deficient number, since it is larger than the sum of its proper divisors (1).

38917473061 is an equidigital number, since it uses as much as digits as its factorization.

38917473061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 38917473061 in words is "thirty-eight billion, nine hundred seventeen million, four hundred seventy-three thousand, sixty-one".