351668353501 has 2 divisors, whose sum is σ = 351668353502. Its totient is φ = 351668353500.

The previous prime is 351668353489. The next prime is 351668353507. The reversal of 351668353501 is 105353866153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 350848905625 + 819447876 = 592325^2 + 28626^2 .

It is a cyclic number.

It is not a de Polignac number, because 351668353501 - 2⁷ = 351668353373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351668353507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175834176750 + 175834176751.

It is an arithmetic number, because the mean of its divisors is an integer number (175834176751).

Almost surely, 2^351668353501 is an apocalyptic number.

It is an amenable number.

351668353501 is a deficient number, since it is larger than the sum of its proper divisors (1).

351668353501 is an equidigital number, since it uses as much as digits as its factorization.

351668353501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 351668353501 in words is "three hundred fifty-one billion, six hundred sixty-eight million, three hundred fifty-three thousand, five hundred one".