12426038963 has 4 divisors (see below), whose sum is σ = 13381888128. Its totient is φ = 11470189800.

The previous prime is 12426038959. The next prime is 12426038971. The reversal of 12426038963 is 36983062421.

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

It is a cyclic number.

It is not a de Polignac number, because 12426038963 - 2² = 12426038959 is a prime.

It is a super-3 number, since 3×12426038963³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12426038923) 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, 477924563 + ... + 477924588.

It is an arithmetic number, because the mean of its divisors is an integer number (3345472032).

Almost surely, 2^12426038963 is an apocalyptic number.

12426038963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12426038963 is a deficient number, since it is larger than the sum of its proper divisors (955849165).

12426038963 is an equidigital number, since it uses as much as digits as its factorization.

12426038963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955849164.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 12426038963 in words is "twelve billion, four hundred twenty-six million, thirty-eight thousand, nine hundred sixty-three".