12453253897 has 8 divisors (see below), whose sum is σ = 14252369600. Its totient is φ = 10659158064.

The previous prime is 12453253871. The next prime is 12453253907. The reversal of 12453253897 is 79835235421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12453253897 - 2³¹ = 10305770249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12453253897.

It is not an unprimeable number, because it can be changed into a prime (12453256897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249647 + ... + 1259572.

It is an arithmetic number, because the mean of its divisors is an integer number (1781546200).

Almost surely, 2^12453253897 is an apocalyptic number.

It is an amenable number.

12453253897 is a deficient number, since it is larger than the sum of its proper divisors (1799115703).

12453253897 is an equidigital number, since it uses as much as digits as its factorization.

12453253897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509935.

The product of its digits is 1814400, while the sum is 49.

The spelling of 12453253897 in words is "twelve billion, four hundred fifty-three million, two hundred fifty-three thousand, eight hundred ninety-seven".