12740340561919 has 8 divisors (see below), whose sum is σ = 13410928394240. Its totient is φ = 12069757088856.

The previous prime is 12740340561877. The next prime is 12740340561967. The reversal of 12740340561919 is 91916504304721.

It is a happy number.

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 12740340561919 - 2⁹ = 12740340561407 is a prime.

It is a super-2 number, since 2×12740340561919² (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 (12740340561719) 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, 6138592 + ... + 7947514.

It is an arithmetic number, because the mean of its divisors is an integer number (1676366049280).

Almost surely, 2^{12740340561919} is an apocalyptic number.

12740340561919 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12740340561919 is a deficient number, since it is larger than the sum of its proper divisors (670587832321).

12740340561919 is a wasteful number, since it uses less digits than its factorization.

12740340561919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179629.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 12740340561919 in words is "twelve trillion, seven hundred forty billion, three hundred forty million, five hundred sixty-one thousand, nine hundred nineteen".