353996881461 has 24 divisors (see below), whose sum is σ = 513392880000. Its totient is φ = 235045704096.

The previous prime is 353996881429. The next prime is 353996881517. The reversal of 353996881461 is 164188699353.

353996881461 is a `hidden beast` number, since 3 + 5 + 3 + 9 + 96 + 8 + 81 + 461 = 666.

It is not a de Polignac number, because 353996881461 - 2⁵ = 353996881429 is a prime.

It is a super-2 number, since 2×353996881461² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353996881061) 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, 11817675 + ... + 11847591.

It is an arithmetic number, because the mean of its divisors is an integer number (21391370000).

Almost surely, 2^353996881461 is an apocalyptic number.

It is an amenable number.

353996881461 is a deficient number, since it is larger than the sum of its proper divisors (159395998539).

353996881461 is a wasteful number, since it uses less digits than its factorization.

353996881461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35185 (or 35182 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 63.

The spelling of 353996881461 in words is "three hundred fifty-three billion, nine hundred ninety-six million, eight hundred eighty-one thousand, four hundred sixty-one".