3450934113561 has 81 divisors (see below), whose sum is σ = 5620018832701. Its totient is φ = 2038977494400.

The previous prime is 3450934113553. The next prime is 3450934113623. The reversal of 3450934113561 is 1653114390543.

The square root of 3450934113561 is 1857669.

It is a perfect power (a square), and thus also a powerful number.

3450934113561 is a `hidden beast` number, since 3 + 4 + 50 + 9 + 34 + 1 + 1 + 3 + 561 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 44118902025 + 3406815211536 = 210045^2 + 1845756^2 .

It is not a de Polignac number, because 3450934113561 - 2³ = 3450934113553 is a prime.

It is a super-2 number, since 2×3450934113561² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3450934183561) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2513425471 + ... + 2513426843.

Almost surely, 2^{3450934113561} is an apocalyptic number.

3450934113561 is the 1857669-th square number.

3450934113561 is the 928835-th centered octagonal number.

It is an amenable number.

3450934113561 is a deficient number, since it is larger than the sum of its proper divisors (2169084719140).

3450934113561 is an equidigital number, since it uses as much as digits as its factorization.

3450934113561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856 (or 1428 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 3450934113561 in words is "three trillion, four hundred fifty billion, nine hundred thirty-four million, one hundred thirteen thousand, five hundred sixty-one".