351308604961 has 2 divisors, whose sum is σ = 351308604962. Its totient is φ = 351308604960.

The previous prime is 351308604863. The next prime is 351308604989. The reversal of 351308604961 is 169406803153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347421830625 + 3886774336 = 589425^2 + 62344^2 .

It is a cyclic number.

It is not a de Polignac number, because 351308604961 - 2¹¹ = 351308602913 is a prime.

It is not a weakly prime, because it can be changed into another prime (351308604061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175654302480 + 175654302481.

It is an arithmetic number, because the mean of its divisors is an integer number (175654302481).

Almost surely, 2^351308604961 is an apocalyptic number.

It is an amenable number.

351308604961 is a deficient number, since it is larger than the sum of its proper divisors (1).

351308604961 is an equidigital number, since it uses as much as digits as its factorization.

351308604961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 351308604961 in words is "three hundred fifty-one billion, three hundred eight million, six hundred four thousand, nine hundred sixty-one".