12454375851 has 6 divisors (see below), whose sum is σ = 17989654020. Its totient is φ = 8302917228.

The previous prime is 12454375849. The next prime is 12454375853. The reversal of 12454375851 is 15857345421.

12454375851 is a `hidden beast` number, since 1 + 2 + 4 + 543 + 7 + 58 + 51 = 666.

It is an interprime number because it is at equal distance from previous prime (12454375849) and next prime (12454375853).

It is not a de Polignac number, because 12454375851 - 2¹ = 12454375849 is a prime.

It is a super-2 number, since 2×12454375851² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12454375797 and 12454375806.

It is not an unprimeable number, because it can be changed into a prime (12454375853) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 691909761 + ... + 691909778.

It is an arithmetic number, because the mean of its divisors is an integer number (2998275670).

Almost surely, 2^12454375851 is an apocalyptic number.

12454375851 is a deficient number, since it is larger than the sum of its proper divisors (5535278169).

12454375851 is a wasteful number, since it uses less digits than its factorization.

12454375851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383819545 (or 1383819542 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The spelling of 12454375851 in words is "twelve billion, four hundred fifty-four million, three hundred seventy-five thousand, eight hundred fifty-one".