351144041444263 has 4 divisors (see below), whose sum is σ = 351144567407088. Its totient is φ = 351143515481440.

The previous prime is 351144041444239. The next prime is 351144041444267. The reversal of 351144041444263 is 362444140441153.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 351144041444263 - 2²¹ = 351144039347111 is a prime.

It is a super-2 number, since 2×351144041444263² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351144041444267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261978706 + ... + 263315647.

It is an arithmetic number, because the mean of its divisors is an integer number (87786141851772).

Almost surely, 2^{351144041444263} is an apocalyptic number.

351144041444263 is a deficient number, since it is larger than the sum of its proper divisors (525962825).

351144041444263 is an equidigital number, since it uses as much as digits as its factorization.

351144041444263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525962824.

The product of its (nonzero) digits is 2211840, while the sum is 46.

The spelling of 351144041444263 in words is "three hundred fifty-one trillion, one hundred forty-four billion, forty-one million, four hundred forty-four thousand, two hundred sixty-three".