514681234861 has 2 divisors, whose sum is σ = 514681234862. Its totient is φ = 514681234860.

The previous prime is 514681234853. The next prime is 514681234909. The reversal of 514681234861 is 168432186415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 514187950761 + 493284100 = 717069^2 + 22210^2 .

It is a cyclic number.

It is not a de Polignac number, because 514681234861 - 2³ = 514681234853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514681234831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257340617430 + 257340617431.

It is an arithmetic number, because the mean of its divisors is an integer number (257340617431).

Almost surely, 2^514681234861 is an apocalyptic number.

It is an amenable number.

514681234861 is a deficient number, since it is larger than the sum of its proper divisors (1).

514681234861 is an equidigital number, since it uses as much as digits as its factorization.

514681234861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 49.

The spelling of 514681234861 in words is "five hundred fourteen billion, six hundred eighty-one million, two hundred thirty-four thousand, eight hundred sixty-one".