354221363120455 has 16 divisors (see below), whose sum is σ = 427025230162560. Its totient is φ = 282073687112448.

The previous prime is 354221363120453. The next prime is 354221363120467. The reversal of 354221363120455 is 554021363122453.

It is a cyclic number.

It is not a de Polignac number, because 354221363120455 - 2¹ = 354221363120453 is a prime.

It is a super-3 number, since 3×354221363120455³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354221363120453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186108652 + ... + 188002321.

It is an arithmetic number, because the mean of its divisors is an integer number (26689076885160).

Almost surely, 2^{354221363120455} is an apocalyptic number.

354221363120455 is a deficient number, since it is larger than the sum of its proper divisors (72803867042105).

354221363120455 is a wasteful number, since it uses less digits than its factorization.

354221363120455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374111850.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 354221363120455 in words is "three hundred fifty-four trillion, two hundred twenty-one billion, three hundred sixty-three million, one hundred twenty thousand, four hundred fifty-five".