5321408909 has 2 divisors, whose sum is σ = 5321408910. Its totient is φ = 5321408908.

The previous prime is 5321408899. The next prime is 5321408927. The reversal of 5321408909 is 9098041235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3242960809 + 2078448100 = 56947^2 + 45590^2 .

It is a cyclic number.

It is not a de Polignac number, because 5321408909 - 2⁴ = 5321408893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5321408999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660704454 + 2660704455.

It is an arithmetic number, because the mean of its divisors is an integer number (2660704455).

Almost surely, 2^5321408909 is an apocalyptic number.

It is an amenable number.

5321408909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5321408909 is an equidigital number, since it uses as much as digits as its factorization.

5321408909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 5321408909 is about 72947.9876967144. The cubic root of 5321408909 is about 1745.8578398086.

The spelling of 5321408909 in words is "five billion, three hundred twenty-one million, four hundred eight thousand, nine hundred nine".