375136101631609 has 2 divisors, whose sum is σ = 375136101631610. Its totient is φ = 375136101631608.

The previous prime is 375136101631573. The next prime is 375136101631651. The reversal of 375136101631609 is 906136101631573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205660695765625 + 169475405865984 = 14340875^2 + 13018272^2 .

It is a cyclic number.

It is not a de Polignac number, because 375136101631609 - 2⁷ = 375136101631481 is a prime.

It is not a weakly prime, because it can be changed into another prime (375136101631679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187568050815804 + 187568050815805.

It is an arithmetic number, because the mean of its divisors is an integer number (187568050815805).

Almost surely, 2^{375136101631609} is an apocalyptic number.

It is an amenable number.

375136101631609 is a deficient number, since it is larger than the sum of its proper divisors (1).

375136101631609 is an equidigital number, since it uses as much as digits as its factorization.

375136101631609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The spelling of 375136101631609 in words is "three hundred seventy-five trillion, one hundred thirty-six billion, one hundred one million, six hundred thirty-one thousand, six hundred nine".