12749740547783 has 32 divisors (see below), whose sum is σ = 13278460833792. Its totient is φ = 12235327977600.

The previous prime is 12749740547779. The next prime is 12749740547827. The reversal of 12749740547783 is 38774504794721.

It is a cyclic number.

It is not a de Polignac number, because 12749740547783 - 2² = 12749740547779 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12749740540783) 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, 177248141 + ... + 177320057.

It is an arithmetic number, because the mean of its divisors is an integer number (414951901056).

Almost surely, 2^{12749740547783} is an apocalyptic number.

12749740547783 is a deficient number, since it is larger than the sum of its proper divisors (528720286009).

12749740547783 is a wasteful number, since it uses less digits than its factorization.

12749740547783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72455.

The product of its (nonzero) digits is 331914240, while the sum is 68.

The spelling of 12749740547783 in words is "twelve trillion, seven hundred forty-nine billion, seven hundred forty million, five hundred forty-seven thousand, seven hundred eighty-three".