5441506561 has 2 divisors, whose sum is σ = 5441506562. Its totient is φ = 5441506560.

The previous prime is 5441506549. The next prime is 5441506613. The reversal of 5441506561 is 1656051445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3140481600 + 2301024961 = 56040^2 + 47969^2 .

It is a cyclic number.

It is not a de Polignac number, because 5441506561 - 2²³ = 5433117953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5441506561.

It is not a weakly prime, because it can be changed into another prime (5441506541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2720753280 + 2720753281.

It is an arithmetic number, because the mean of its divisors is an integer number (2720753281).

Almost surely, 2^5441506561 is an apocalyptic number.

It is an amenable number.

5441506561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5441506561 is an equidigital number, since it uses as much as digits as its factorization.

5441506561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 5441506561 is about 73766.5680440672. The cubic root of 5441506561 is about 1758.8942090767.

The spelling of 5441506561 in words is "five billion, four hundred forty-one million, five hundred six thousand, five hundred sixty-one".