514864624721 has 2 divisors, whose sum is σ = 514864624722. Its totient is φ = 514864624720.

The previous prime is 514864624691. The next prime is 514864624753. The reversal of 514864624721 is 127426468415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487049056321 + 27815568400 = 697889^2 + 166780^2 .

It is a cyclic number.

It is not a de Polignac number, because 514864624721 - 2¹⁴ = 514864608337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 514864624721.

It is not a weakly prime, because it can be changed into another prime (514864624121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257432312360 + 257432312361.

It is an arithmetic number, because the mean of its divisors is an integer number (257432312361).

Almost surely, 2^514864624721 is an apocalyptic number.

It is an amenable number.

514864624721 is a deficient number, since it is larger than the sum of its proper divisors (1).

514864624721 is an equidigital number, since it uses as much as digits as its factorization.

514864624721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 50.

The spelling of 514864624721 in words is "five hundred fourteen billion, eight hundred sixty-four million, six hundred twenty-four thousand, seven hundred twenty-one".