3447116374357 has 2 divisors, whose sum is σ = 3447116374358. Its totient is φ = 3447116374356.

The previous prime is 3447116374349. The next prime is 3447116374391. The reversal of 3447116374357 is 7534736117443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3366028686276 + 81087688081 = 1834674^2 + 284759^2 .

It is an emirp because it is prime and its reverse (7534736117443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3447116374357 - 2³ = 3447116374349 is a prime.

It is a super-2 number, since 2×3447116374357² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3447116374298 and 3447116374307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3447116371357) 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, 1723558187178 + 1723558187179.

It is an arithmetic number, because the mean of its divisors is an integer number (1723558187179).

Almost surely, 2^{3447116374357} is an apocalyptic number.

It is an amenable number.

3447116374357 is a deficient number, since it is larger than the sum of its proper divisors (1).

3447116374357 is an equidigital number, since it uses as much as digits as its factorization.

3447116374357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17781120, while the sum is 55.

The spelling of 3447116374357 in words is "three trillion, four hundred forty-seven billion, one hundred sixteen million, three hundred seventy-four thousand, three hundred fifty-seven".