5469621561 has 12 divisors (see below), whose sum is σ = 8316383920. Its totient is φ = 3454497720.

The previous prime is 5469621551. The next prime is 5469621593. The reversal of 5469621561 is 1651269645.

5469621561 is a `hidden beast` number, since 5 + 4 + 69 + 6 + 21 + 561 = 666.

It is not a de Polignac number, because 5469621561 - 2⁵ = 5469621529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5469621541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15992875 + ... + 15993216.

Almost surely, 2^5469621561 is an apocalyptic number.

It is an amenable number.

5469621561 is a deficient number, since it is larger than the sum of its proper divisors (2846762359).

5469621561 is a wasteful number, since it uses less digits than its factorization.

5469621561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31986116 (or 31986113 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 5469621561 is about 73956.8898818765. The cubic root of 5469621561 is about 1761.9182727224.

The spelling of 5469621561 in words is "five billion, four hundred sixty-nine million, six hundred twenty-one thousand, five hundred sixty-one".