12426351853 has 4 divisors (see below), whose sum is σ = 12428541820. Its totient is φ = 12424161888.

The previous prime is 12426351827. The next prime is 12426351863. The reversal of 12426351853 is 35815362421.

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 6819786724 + 5606565129 = 82582^2 + 74877^2 .

It is a cyclic number.

It is not a de Polignac number, because 12426351853 - 2²⁵ = 12392797421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12426351863) 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, 1086450 + ... + 1097827.

It is an arithmetic number, because the mean of its divisors is an integer number (3107135455).

Almost surely, 2^12426351853 is an apocalyptic number.

It is an amenable number.

12426351853 is a deficient number, since it is larger than the sum of its proper divisors (2189967).

12426351853 is an equidigital number, since it uses as much as digits as its factorization.

12426351853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189966.

The product of its digits is 172800, while the sum is 40.

The spelling of 12426351853 in words is "twelve billion, four hundred twenty-six million, three hundred fifty-one thousand, eight hundred fifty-three".