38593400897 has 2 divisors, whose sum is σ = 38593400898. Its totient is φ = 38593400896.

The previous prime is 38593400887. The next prime is 38593400929. The reversal of 38593400897 is 79800439583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38547824896 + 45576001 = 196336^2 + 6751^2 .

It is an emirp because it is prime and its reverse (79800439583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38593400897 - 2²⁶ = 38526292033 is a prime.

It is not a weakly prime, because it can be changed into another prime (38593400887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19296700448 + 19296700449.

It is an arithmetic number, because the mean of its divisors is an integer number (19296700449).

Almost surely, 2^38593400897 is an apocalyptic number.

It is an amenable number.

38593400897 is a deficient number, since it is larger than the sum of its proper divisors (1).

38593400897 is an equidigital number, since it uses as much as digits as its factorization.

38593400897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 38593400897 in words is "thirty-eight billion, five hundred ninety-three million, four hundred thousand, eight hundred ninety-seven".