12453856950 has 24 divisors (see below), whose sum is σ = 30885565608. Its totient is φ = 3321028480.

The previous prime is 12453856937. The next prime is 12453856963. The reversal of 12453856950 is 5965835421.

It is an interprime number because it is at equal distance from previous prime (12453856937) and next prime (12453856963).

It is a self number, because there is not a number n which added to its sum of digits gives 12453856950.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 41512707 + ... + 41513006.

It is an arithmetic number, because the mean of its divisors is an integer number (1286898567).

Almost surely, 2^12453856950 is an apocalyptic number.

12453856950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12453856950 is an abundant number, since it is smaller than the sum of its proper divisors (18431708658).

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

12453856950 is a wasteful number, since it uses less digits than its factorization.

12453856950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83025728 (or 83025723 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 12453856950 in words is "twelve billion, four hundred fifty-three million, eight hundred fifty-six thousand, nine hundred fifty".