12729467519 has 8 divisors (see below), whose sum is σ = 13505944608. Its totient is φ = 11956066560.

The previous prime is 12729467503. The next prime is 12729467521. The reversal of 12729467519 is 91576492721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12729467519 - 2⁴ = 12729467503 is a prime.

It is a super-2 number, since 2×12729467519² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12729467539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760502 + ... + 777059.

It is an arithmetic number, because the mean of its divisors is an integer number (1688243076).

Almost surely, 2^12729467519 is an apocalyptic number.

12729467519 is a deficient number, since it is larger than the sum of its proper divisors (776477089).

12729467519 is a wasteful number, since it uses less digits than its factorization.

12729467519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538065.

The product of its digits is 1905120, while the sum is 53.

The spelling of 12729467519 in words is "twelve billion, seven hundred twenty-nine million, four hundred sixty-seven thousand, five hundred nineteen".