5434166561 has 2 divisors, whose sum is σ = 5434166562. Its totient is φ = 5434166560.

The previous prime is 5434166557. The next prime is 5434166623. The reversal of 5434166561 is 1656614345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3017854225 + 2416312336 = 54935^2 + 49156^2 .

It is a cyclic number.

It is not a de Polignac number, because 5434166561 - 2² = 5434166557 is a prime.

It is not a weakly prime, because it can be changed into another prime (5434162561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2717083280 + 2717083281.

It is an arithmetic number, because the mean of its divisors is an integer number (2717083281).

Almost surely, 2^5434166561 is an apocalyptic number.

It is an amenable number.

5434166561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5434166561 is an equidigital number, since it uses as much as digits as its factorization.

5434166561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 41.

The square root of 5434166561 is about 73716.7997202809. The cubic root of 5434166561 is about 1758.1030009459.

The spelling of 5434166561 in words is "five billion, four hundred thirty-four million, one hundred sixty-six thousand, five hundred sixty-one".