5046640909 has 2 divisors, whose sum is σ = 5046640910. Its totient is φ = 5046640908.

The previous prime is 5046640903. The next prime is 5046640931. The reversal of 5046640909 is 9090466405.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3600360009 + 1446280900 = 60003^2 + 38030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5046640909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5046640903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2523320454 + 2523320455.

It is an arithmetic number, because the mean of its divisors is an integer number (2523320455).

Almost surely, 2^5046640909 is an apocalyptic number.

It is an amenable number.

5046640909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5046640909 is an equidigital number, since it uses as much as digits as its factorization.

5046640909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 5046640909 is about 71039.7136044340. The cubic root of 5046640909 is about 1715.2764880468.

The spelling of 5046640909 in words is "five billion, forty-six million, six hundred forty thousand, nine hundred nine".