5291446889 has 2 divisors, whose sum is σ = 5291446890. Its totient is φ = 5291446888.

The previous prime is 5291446837. The next prime is 5291446943. The reversal of 5291446889 is 9886441925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5259150400 + 32296489 = 72520^2 + 5683^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5291446889 is a prime.

It is not a weakly prime, because it can be changed into another prime (5291466889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2645723444 + 2645723445.

It is an arithmetic number, because the mean of its divisors is an integer number (2645723445).

Almost surely, 2^5291446889 is an apocalyptic number.

It is an amenable number.

5291446889 is a deficient number, since it is larger than the sum of its proper divisors (1).

5291446889 is an equidigital number, since it uses as much as digits as its factorization.

5291446889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 56.

The square root of 5291446889 is about 72742.3321663528. The cubic root of 5291446889 is about 1742.5750054956.

The spelling of 5291446889 in words is "five billion, two hundred ninety-one million, four hundred forty-six thousand, eight hundred eighty-nine".