12740340561939 has 32 divisors (see below), whose sum is σ = 19192571596800. Its totient is φ = 8350587989280.

The previous prime is 12740340561877. The next prime is 12740340561967. The reversal of 12740340561939 is 93916504304721.

12740340561939 is a `hidden beast` number, since 1 + 2 + 7 + 4 + 0 + 3 + 40 + 561 + 9 + 39 = 666.

It is not a de Polignac number, because 12740340561939 - 2¹³ = 12740340553747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12740340561139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1960192 + ... + 5415074.

It is an arithmetic number, because the mean of its divisors is an integer number (599767862400).

Almost surely, 2^{12740340561939} is an apocalyptic number.

12740340561939 is a deficient number, since it is larger than the sum of its proper divisors (6452231034861).

12740340561939 is a wasteful number, since it uses less digits than its factorization.

12740340561939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457192 (or 3457186 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 12740340561939 in words is "twelve trillion, seven hundred forty billion, three hundred forty million, five hundred sixty-one thousand, nine hundred thirty-nine".