5441558861 has 2 divisors, whose sum is σ = 5441558862. Its totient is φ = 5441558860.

The previous prime is 5441558851. The next prime is 5441558897. The reversal of 5441558861 is 1688551445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2873603236 + 2567955625 = 53606^2 + 50675^2 .

It is a cyclic number.

It is not a de Polignac number, because 5441558861 - 2¹⁸ = 5441296717 is a prime.

It is a super-2 number, since 2×5441558861² = 59221125675455234642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5441558831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2720779430 + 2720779431.

It is an arithmetic number, because the mean of its divisors is an integer number (2720779431).

Almost surely, 2^5441558861 is an apocalyptic number.

It is an amenable number.

5441558861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5441558861 is an equidigital number, since it uses as much as digits as its factorization.

5441558861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768000, while the sum is 47.

The square root of 5441558861 is about 73766.9225398484. The cubic root of 5441558861 is about 1758.8998441504.

The spelling of 5441558861 in words is "five billion, four hundred forty-one million, five hundred fifty-eight thousand, eight hundred sixty-one".