12406553263 has 4 divisors (see below), whose sum is σ = 13360903528. Its totient is φ = 11452203000.

The previous prime is 12406553227. The next prime is 12406553273. The reversal of 12406553263 is 36235560421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36235560421 = 19 ⋅1907134759.

It is a cyclic number.

It is not a de Polignac number, because 12406553263 - 2²⁵ = 12372998831 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 (12406553273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477175113 + ... + 477175138.

It is an arithmetic number, because the mean of its divisors is an integer number (3340225882).

Almost surely, 2^12406553263 is an apocalyptic number.

12406553263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12406553263 is a deficient number, since it is larger than the sum of its proper divisors (954350265).

12406553263 is an equidigital number, since it uses as much as digits as its factorization.

12406553263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954350264.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 12406553263 in words is "twelve billion, four hundred six million, five hundred fifty-three thousand, two hundred sixty-three".