12354894867 has 16 divisors (see below), whose sum is σ = 18832166912. Its totient is φ = 7057817280.

The previous prime is 12354894847. The next prime is 12354894869. The reversal of 12354894867 is 76849845321.

It is a happy number.

It is not a de Polignac number, because 12354894867 - 2⁶ = 12354894803 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12354894869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15538 + ... + 157959.

It is an arithmetic number, because the mean of its divisors is an integer number (1177010432).

Almost surely, 2^12354894867 is an apocalyptic number.

12354894867 is a deficient number, since it is larger than the sum of its proper divisors (6477272045).

12354894867 is a wasteful number, since it uses less digits than its factorization.

12354894867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176898.

The product of its digits is 11612160, while the sum is 57.

The spelling of 12354894867 in words is "twelve billion, three hundred fifty-four million, eight hundred ninety-four thousand, eight hundred sixty-seven".