514879604909 has 2 divisors, whose sum is σ = 514879604910. Its totient is φ = 514879604908.

The previous prime is 514879604861. The next prime is 514879604923. The reversal of 514879604909 is 909406978415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 502780264900 + 12099340009 = 709070^2 + 109997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-514879604909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514879604959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257439802454 + 257439802455.

It is an arithmetic number, because the mean of its divisors is an integer number (257439802455).

Almost surely, 2^514879604909 is an apocalyptic number.

It is an amenable number.

514879604909 is a deficient number, since it is larger than the sum of its proper divisors (1).

514879604909 is an equidigital number, since it uses as much as digits as its factorization.

514879604909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 514879604909 in words is "five hundred fourteen billion, eight hundred seventy-nine million, six hundred four thousand, nine hundred nine".