12774514898239 has 4 divisors (see below), whose sum is σ = 13446857787640. Its totient is φ = 12102172008840.

The previous prime is 12774514898203. The next prime is 12774514898279. The reversal of 12774514898239 is 93289841547721.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12774514898239 - 2⁷ = 12774514898111 is a prime.

It is a super-2 number, since 2×12774514898239² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12774514898279) 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, 336171444672 + ... + 336171444709.

It is an arithmetic number, because the mean of its divisors is an integer number (3361714446910).

Almost surely, 2^{12774514898239} is an apocalyptic number.

12774514898239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12774514898239 is a deficient number, since it is larger than the sum of its proper divisors (672342889401).

12774514898239 is an equidigital number, since it uses as much as digits as its factorization.

12774514898239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672342889400.

The product of its digits is 243855360, while the sum is 70.

The spelling of 12774514898239 in words is "twelve trillion, seven hundred seventy-four billion, five hundred fourteen million, eight hundred ninety-eight thousand, two hundred thirty-nine".