513403517479 has 2 divisors, whose sum is σ = 513403517480. Its totient is φ = 513403517478.

The previous prime is 513403517467. The next prime is 513403517579. The reversal of 513403517479 is 974715304315.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513403517479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513403517279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256701758739 + 256701758740.

It is an arithmetic number, because the mean of its divisors is an integer number (256701758740).

Almost surely, 2^513403517479 is an apocalyptic number.

513403517479 is a deficient number, since it is larger than the sum of its proper divisors (1).

513403517479 is an equidigital number, since it uses as much as digits as its factorization.

513403517479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 513403517479 in words is "five hundred thirteen billion, four hundred three million, five hundred seventeen thousand, four hundred seventy-nine".