513463988929 has 4 divisors (see below), whose sum is σ = 520497742276. Its totient is φ = 506430235584.

The previous prime is 513463988927. The next prime is 513463988951. The reversal of 513463988929 is 929889364315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 180705759025 + 332758229904 = 425095^2 + 576852^2 .

It is a cyclic number.

It is not a de Polignac number, because 513463988929 - 2¹ = 513463988927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513463988927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3516876564 + ... + 3516876709.

It is an arithmetic number, because the mean of its divisors is an integer number (130124435569).

Almost surely, 2^513463988929 is an apocalyptic number.

It is an amenable number.

513463988929 is a deficient number, since it is larger than the sum of its proper divisors (7033753347).

513463988929 is an equidigital number, since it uses as much as digits as its factorization.

513463988929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033753346.

The product of its digits is 100776960, while the sum is 67.

The spelling of 513463988929 in words is "five hundred thirteen billion, four hundred sixty-three million, nine hundred eighty-eight thousand, nine hundred twenty-nine".