351256443361 has 8 divisors (see below), whose sum is σ = 356635479200. Its totient is φ = 345881419488.

The previous prime is 351256443353. The next prime is 351256443383. The reversal of 351256443361 is 163344652153.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 351256443361 - 2³ = 351256443353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (351256447361) 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 in 7 ways as a sum of consecutive naturals, for example, 826311 + ... + 1176988.

It is an arithmetic number, because the mean of its divisors is an integer number (44579434900).

Almost surely, 2^351256443361 is an apocalyptic number.

It is an amenable number.

351256443361 is a deficient number, since it is larger than the sum of its proper divisors (5379035839).

351256443361 is a wasteful number, since it uses less digits than its factorization.

351256443361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005983.

The product of its digits is 777600, while the sum is 43.

The spelling of 351256443361 in words is "three hundred fifty-one billion, two hundred fifty-six million, four hundred forty-three thousand, three hundred sixty-one".