351263771861418 has 96 divisors (see below), whose sum is σ = 842468150636112. Its totient is φ = 105072484608000.

The previous prime is 351263771861399. The next prime is 351263771861419. The reversal of 351263771861418 is 814168177362153.

It is a happy number.

351263771861418 is a `hidden beast` number, since 3 + 5 + 1 + 2 + 6 + 3 + 7 + 7 + 1 + 8 + 614 + 1 + 8 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 34430642624169 + 316833129237249 = 5867763^2 + 17799807^2 .

It is not an unprimeable number, because it can be changed into a prime (351263771861419) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6492253 + ... + 27288768.

Almost surely, 2^{351263771861418} is an apocalyptic number.

351263771861418 is an abundant number, since it is smaller than the sum of its proper divisors (491204378774694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351263771861418 is a wasteful number, since it uses less digits than its factorization.

351263771861418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33782280 (or 33782277 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The spelling of 351263771861418 in words is "three hundred fifty-one trillion, two hundred sixty-three billion, seven hundred seventy-one million, eight hundred sixty-one thousand, four hundred eighteen".