12863291450 has 24 divisors (see below), whose sum is σ = 23939626620. Its totient is φ = 5142326400.

The previous prime is 12863291447. The next prime is 12863291453. The reversal of 12863291450 is 5419236821.

It is an interprime number because it is at equal distance from previous prime (12863291447) and next prime (12863291453).

It can be written as a sum of positive squares in 6 ways, for example, as 68740681 + 12794550769 = 8291^2 + 113113^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12863291398 and 12863291407.

It is not an unprimeable number, because it can be changed into a prime (12863291453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13166 + ... + 160934.

Almost surely, 2^12863291450 is an apocalyptic number.

12863291450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12863291450 is a deficient number, since it is larger than the sum of its proper divisors (11076335170).

12863291450 is a wasteful number, since it uses less digits than its factorization.

12863291450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149522 (or 149517 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 12863291450 in words is "twelve billion, eight hundred sixty-three million, two hundred ninety-one thousand, four hundred fifty".