353668722137 has 2 divisors, whose sum is σ = 353668722138. Its totient is φ = 353668722136.

The previous prime is 353668722131. The next prime is 353668722151. The reversal of 353668722137 is 731227866353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263152584256 + 90516137881 = 512984^2 + 300859^2 .

It is a cyclic number.

It is not a de Polignac number, because 353668722137 - 2¹⁸ = 353668459993 is a prime.

It is not a weakly prime, because it can be changed into another prime (353668722131) 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, 176834361068 + 176834361069.

It is an arithmetic number, because the mean of its divisors is an integer number (176834361069).

Almost surely, 2^353668722137 is an apocalyptic number.

It is an amenable number.

353668722137 is a deficient number, since it is larger than the sum of its proper divisors (1).

353668722137 is an equidigital number, since it uses as much as digits as its factorization.

353668722137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 53.

The spelling of 353668722137 in words is "three hundred fifty-three billion, six hundred sixty-eight million, seven hundred twenty-two thousand, one hundred thirty-seven".