38220595157 has 2 divisors, whose sum is σ = 38220595158. Its totient is φ = 38220595156.

The previous prime is 38220595139. The next prime is 38220595201. The reversal of 38220595157 is 75159502283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21906664081 + 16313931076 = 148009^2 + 127726^2 .

It is a cyclic number.

It is not a de Polignac number, because 38220595157 - 2⁶ = 38220595093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38220595057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19110297578 + 19110297579.

It is an arithmetic number, because the mean of its divisors is an integer number (19110297579).

Almost surely, 2^38220595157 is an apocalyptic number.

It is an amenable number.

38220595157 is a deficient number, since it is larger than the sum of its proper divisors (1).

38220595157 is an equidigital number, since it uses as much as digits as its factorization.

38220595157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 38220595157 in words is "thirty-eight billion, two hundred twenty million, five hundred ninety-five thousand, one hundred fifty-seven".