12998438253 has 16 divisors (see below), whose sum is σ = 19356730240. Its totient is φ = 8620722432.

The previous prime is 12998438249. The next prime is 12998438281. The reversal of 12998438253 is 35283489921.

12998438253 is a `hidden beast` number, since 129 + 98 + 4 + 382 + 53 = 666.

12998438253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12998438253 - 2² = 12998438249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12998438253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12998438953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242001 + ... + 1252422.

It is an arithmetic number, because the mean of its divisors is an integer number (1209795640).

Almost surely, 2^12998438253 is an apocalyptic number.

It is an amenable number.

12998438253 is a deficient number, since it is larger than the sum of its proper divisors (6358291987).

12998438253 is a wasteful number, since it uses less digits than its factorization.

12998438253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494625 (or 2494619 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 12998438253 in words is "twelve billion, nine hundred ninety-eight million, four hundred thirty-eight thousand, two hundred fifty-three".