351112254124249 has 2 divisors, whose sum is σ = 351112254124250. Its totient is φ = 351112254124248.

The previous prime is 351112254124237. The next prime is 351112254124271. The reversal of 351112254124249 is 942421452211153.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321990473592649 + 29121780531600 = 17944093^2 + 5396460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351112254124249 is a prime.

It is a super-2 number, since 2×351112254124249² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 351112254124199 and 351112254124208.

It is not a weakly prime, because it can be changed into another prime (351112254124549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175556127062124 + 175556127062125.

It is an arithmetic number, because the mean of its divisors is an integer number (175556127062125).

Almost surely, 2^{351112254124249} is an apocalyptic number.

It is an amenable number.

351112254124249 is a deficient number, since it is larger than the sum of its proper divisors (1).

351112254124249 is an equidigital number, since it uses as much as digits as its factorization.

351112254124249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 46.

The spelling of 351112254124249 in words is "three hundred fifty-one trillion, one hundred twelve billion, two hundred fifty-four million, one hundred twenty-four thousand, two hundred forty-nine".