12509471463 has 8 divisors (see below), whose sum is σ = 17067186048. Its totient is φ = 8145702264.

The previous prime is 12509471393. The next prime is 12509471473. The reversal of 12509471463 is 36417490521.

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

It is not a de Polignac number, because 12509471463 - 2¹⁸ = 12509209319 is a prime.

It is a super-2 number, since 2×12509471463² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12509471473) 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, 48486195 + ... + 48486452.

It is an arithmetic number, because the mean of its divisors is an integer number (2133398256).

Almost surely, 2^12509471463 is an apocalyptic number.

12509471463 is a deficient number, since it is larger than the sum of its proper divisors (4557714585).

12509471463 is an equidigital number, since it uses as much as digits as its factorization.

12509471463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96972693.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 12509471463 in words is "twelve billion, five hundred nine million, four hundred seventy-one thousand, four hundred sixty-three".