354721244732361 has 24 divisors (see below), whose sum is σ = 551828820311496. Its totient is φ = 218274086580480.

The previous prime is 354721244732353. The next prime is 354721244732363. The reversal of 354721244732361 is 163237442127453.

354721244732361 is a `hidden beast` number, since 3 + 5 + 4 + 7 + 2 + 1 + 244 + 7 + 32 + 361 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 661325141961 + 354059919590400 = 813219^2 + 18816480^2 .

It is not a de Polignac number, because 354721244732361 - 2³ = 354721244732353 is a prime.

It is a super-2 number, since 2×354721244732361² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354721244732298 and 354721244732307.

It is not an unprimeable number, because it can be changed into a prime (354721244732363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108875130 + ... + 112085843.

It is an arithmetic number, because the mean of its divisors is an integer number (22992867512979).

Almost surely, 2^{354721244732361} is an apocalyptic number.

It is an amenable number.

354721244732361 is a deficient number, since it is larger than the sum of its proper divisors (197107575579135).

354721244732361 is a wasteful number, since it uses less digits than its factorization.

354721244732361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220974713 (or 220974710 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 54.

The spelling of 354721244732361 in words is "three hundred fifty-four trillion, seven hundred twenty-one billion, two hundred forty-four million, seven hundred thirty-two thousand, three hundred sixty-one".