5363640809 has 2 divisors, whose sum is σ = 5363640810. Its totient is φ = 5363640808.

The previous prime is 5363640767. The next prime is 5363640829. The reversal of 5363640809 is 9080463635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4924109584 + 439531225 = 70172^2 + 20965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5363640809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5363640809.

It is not a weakly prime, because it can be changed into another prime (5363640829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2681820404 + 2681820405.

It is an arithmetic number, because the mean of its divisors is an integer number (2681820405).

Almost surely, 2^5363640809 is an apocalyptic number.

It is an amenable number.

5363640809 is a deficient number, since it is larger than the sum of its proper divisors (1).

5363640809 is an equidigital number, since it uses as much as digits as its factorization.

5363640809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 5363640809 is about 73236.8814805764. The cubic root of 5363640809 is about 1750.4641826075.

The spelling of 5363640809 in words is "five billion, three hundred sixty-three million, six hundred forty thousand, eight hundred nine".