38315360173 has 2 divisors, whose sum is σ = 38315360174. Its totient is φ = 38315360172.

The previous prime is 38315360143. The next prime is 38315360179. The reversal of 38315360173 is 37106351383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34054273444 + 4261086729 = 184538^2 + 65277^2 .

It is a cyclic number.

It is not a de Polignac number, because 38315360173 - 2¹³ = 38315351981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38315360179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19157680086 + 19157680087.

It is an arithmetic number, because the mean of its divisors is an integer number (19157680087).

Almost surely, 2^38315360173 is an apocalyptic number.

It is an amenable number.

38315360173 is a deficient number, since it is larger than the sum of its proper divisors (1).

38315360173 is an equidigital number, since it uses as much as digits as its factorization.

38315360173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 38315360173 in words is "thirty-eight billion, three hundred fifteen million, three hundred sixty thousand, one hundred seventy-three".