375133078321 has 2 divisors, whose sum is σ = 375133078322. Its totient is φ = 375133078320.

The previous prime is 375133078303. The next prime is 375133078337. The reversal of 375133078321 is 123870331573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255721364721 + 119411713600 = 505689^2 + 345560^2 .

It is a cyclic number.

It is not a de Polignac number, because 375133078321 - 2¹³ = 375133070129 is a prime.

It is not a weakly prime, because it can be changed into another prime (375133078301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187566539160 + 187566539161.

It is an arithmetic number, because the mean of its divisors is an integer number (187566539161).

Almost surely, 2^375133078321 is an apocalyptic number.

It is an amenable number.

375133078321 is a deficient number, since it is larger than the sum of its proper divisors (1).

375133078321 is an equidigital number, since it uses as much as digits as its factorization.

375133078321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 375133078321 in words is "three hundred seventy-five billion, one hundred thirty-three million, seventy-eight thousand, three hundred twenty-one".