354212245305 has 12 divisors (see below), whose sum is σ = 613967891940. Its totient is φ = 188913197472.

The previous prime is 354212245267. The next prime is 354212245349. The reversal of 354212245305 is 503542212453.

354212245305 is a `hidden beast` number, since 3 + 5 + 421 + 224 + 5 + 3 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 102946647609 + 251265597696 = 320853^2 + 501264^2 .

It is not a de Polignac number, because 354212245305 - 2⁶ = 354212245241 is a prime.

It is a super-3 number, since 3×354212245305³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 354212245305.

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, 3935691570 + ... + 3935691659.

It is an arithmetic number, because the mean of its divisors is an integer number (51163990995).

Almost surely, 2^354212245305 is an apocalyptic number.

It is an amenable number.

354212245305 is a deficient number, since it is larger than the sum of its proper divisors (259755646635).

354212245305 is a wasteful number, since it uses less digits than its factorization.

354212245305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7871383240 (or 7871383237 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 354212245305 its reverse (503542212453), we get a palindrome (857754457758).

The spelling of 354212245305 in words is "three hundred fifty-four billion, two hundred twelve million, two hundred forty-five thousand, three hundred five".