12453856951 has 4 divisors (see below), whose sum is σ = 12855594304. Its totient is φ = 12052119600.

The previous prime is 12453856937. The next prime is 12453856963. The reversal of 12453856951 is 15965835421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15965835421 = 29 ⋅550546049.

It is a cyclic number.

It is not a de Polignac number, because 12453856951 - 2¹⁹ = 12453332663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12453856895 and 12453856904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453856931) 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, 200868630 + ... + 200868691.

It is an arithmetic number, because the mean of its divisors is an integer number (3213898576).

Almost surely, 2^12453856951 is an apocalyptic number.

12453856951 is a deficient number, since it is larger than the sum of its proper divisors (401737353).

12453856951 is an equidigital number, since it uses as much as digits as its factorization.

12453856951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401737352.

The product of its digits is 1296000, while the sum is 49.

The spelling of 12453856951 in words is "twelve billion, four hundred fifty-three million, eight hundred fifty-six thousand, nine hundred fifty-one".