5218747441 has 2 divisors, whose sum is σ = 5218747442. Its totient is φ = 5218747440.

The previous prime is 5218747427. The next prime is 5218747447. The reversal of 5218747441 is 1447478125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3331713841 + 1887033600 = 57721^2 + 43440^2 .

It is a cyclic number.

It is not a de Polignac number, because 5218747441 - 2⁵ = 5218747409 is a prime.

It is not a weakly prime, because it can be changed into another prime (5218747447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2609373720 + 2609373721.

It is an arithmetic number, because the mean of its divisors is an integer number (2609373721).

Almost surely, 2^5218747441 is an apocalyptic number.

It is an amenable number.

5218747441 is a deficient number, since it is larger than the sum of its proper divisors (1).

5218747441 is an equidigital number, since it uses as much as digits as its factorization.

5218747441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250880, while the sum is 43.

The square root of 5218747441 is about 72240.8986724279. The cubic root of 5218747441 is about 1734.5577349420.

The spelling of 5218747441 in words is "five billion, two hundred eighteen million, seven hundred forty-seven thousand, four hundred forty-one".