5013621209 has 2 divisors, whose sum is σ = 5013621210. Its totient is φ = 5013621208.

The previous prime is 5013621191. The next prime is 5013621233. The reversal of 5013621209 is 9021263105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4240614400 + 773006809 = 65120^2 + 27803^2 .

It is a cyclic number.

It is not a de Polignac number, because 5013621209 - 2²⁰ = 5012572633 is a prime.

It is not a weakly prime, because it can be changed into another prime (5013621269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506810604 + 2506810605.

It is an arithmetic number, because the mean of its divisors is an integer number (2506810605).

Almost surely, 2^5013621209 is an apocalyptic number.

It is an amenable number.

5013621209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5013621209 is an equidigital number, since it uses as much as digits as its factorization.

5013621209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 5013621209 is about 70806.9291030193. The cubic root of 5013621209 is about 1711.5273347267.

The spelling of 5013621209 in words is "five billion, thirteen million, six hundred twenty-one thousand, two hundred nine".