351649523365 has 12 divisors (see below), whose sum is σ = 490874028876. Its totient is φ = 241131101568.

The previous prime is 351649523347. The next prime is 351649523447. The reversal of 351649523365 is 563325946153.

It can be written as a sum of positive squares in 2 ways, for example, as 106182784449 + 245466738916 = 325857^2 + 495446^2 .

It is not a de Polignac number, because 351649523365 - 2⁵ = 351649523333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 717651844 + ... + 717652333.

It is an arithmetic number, because the mean of its divisors is an integer number (40906169073).

Almost surely, 2^351649523365 is an apocalyptic number.

351649523365 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

351649523365 is a deficient number, since it is larger than the sum of its proper divisors (139224505511).

351649523365 is a wasteful number, since it uses less digits than its factorization.

351649523365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435304196 (or 1435304189 counting only the distinct ones).

The product of its digits is 8748000, while the sum is 52.

The spelling of 351649523365 in words is "three hundred fifty-one billion, six hundred forty-nine million, five hundred twenty-three thousand, three hundred sixty-five".