5261644481 has 16 divisors (see below), whose sum is σ = 5396751360. Its totient is φ = 5128637520.

The previous prime is 5261644457. The next prime is 5261644529. The reversal of 5261644481 is 1844461625.

5261644481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5261644481 - 2³⁰ = 4187902657 is a prime.

It is a super-2 number, since 2×5261644481² = 55369805288875518722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5261644411) 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, 2657750 + ... + 2659728.

It is an arithmetic number, because the mean of its divisors is an integer number (337296960).

Almost surely, 2^5261644481 is an apocalyptic number.

It is an amenable number.

5261644481 is a deficient number, since it is larger than the sum of its proper divisors (135106879).

5261644481 is a wasteful number, since it uses less digits than its factorization.

5261644481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476.

The product of its digits is 184320, while the sum is 41.

The square root of 5261644481 is about 72537.1937767102. The cubic root of 5261644481 is about 1739.2973426796.

The spelling of 5261644481 in words is "five billion, two hundred sixty-one million, six hundred forty-four thousand, four hundred eighty-one".