12854644297 has 4 divisors (see below), whose sum is σ = 14023248336. Its totient is φ = 11686040260.

The previous prime is 12854644277. The next prime is 12854644307. The reversal of 12854644297 is 79244645821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12854644297 - 2¹⁵ = 12854611529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12854644207) 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, 584302003 + ... + 584302024.

It is an arithmetic number, because the mean of its divisors is an integer number (3505812084).

Almost surely, 2^12854644297 is an apocalyptic number.

It is an amenable number.

12854644297 is a deficient number, since it is larger than the sum of its proper divisors (1168604039).

12854644297 is a wasteful number, since it uses less digits than its factorization.

12854644297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168604038.

The product of its digits is 3870720, while the sum is 52.

The spelling of 12854644297 in words is "twelve billion, eight hundred fifty-four million, six hundred forty-four thousand, two hundred ninety-seven".