351122938249 has 2 divisors, whose sum is σ = 351122938250. Its totient is φ = 351122938248.

The previous prime is 351122938241. The next prime is 351122938289. The reversal of 351122938249 is 942839221153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277175925625 + 73947012624 = 526475^2 + 271932^2 .

It is a cyclic number.

It is not a de Polignac number, because 351122938249 - 2³ = 351122938241 is a prime.

It is a super-2 number, since 2×351122938249² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (351122938241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175561469124 + 175561469125.

It is an arithmetic number, because the mean of its divisors is an integer number (175561469125).

Almost surely, 2^351122938249 is an apocalyptic number.

It is an amenable number.

351122938249 is a deficient number, since it is larger than the sum of its proper divisors (1).

351122938249 is an equidigital number, since it uses as much as digits as its factorization.

351122938249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The spelling of 351122938249 in words is "three hundred fifty-one billion, one hundred twenty-two million, nine hundred thirty-eight thousand, two hundred forty-nine".