12763226450 has 54 divisors (see below), whose sum is σ = 25727128749. Its totient is φ = 4708741440.

The previous prime is 12763226407. The next prime is 12763226557. The reversal of 12763226450 is 5462236721.

It can be written as a sum of positive squares in 14 ways, for example, as 244078129 + 12519148321 = 15623^2 + 111889^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=79885.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10384436 + ... + 10385664.

Almost surely, 2^12763226450 is an apocalyptic number.

12763226450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12763226450 is an abundant number, since it is smaller than the sum of its proper divisors (12963902299).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12763226450 is an equidigital number, since it uses as much as digits as its factorization.

12763226450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 12763226450 in words is "twelve billion, seven hundred sixty-three million, two hundred twenty-six thousand, four hundred fifty".