1749981664011 has 16 divisors (see below), whose sum is σ = 2823499828224. Its totient is φ = 941166609024.

The previous prime is 1749981664003. The next prime is 1749981664037. The reversal of 1749981664011 is 1104661899471.

It is a happy number.

It is not a de Polignac number, because 1749981664011 - 2³ = 1749981664003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1749981664111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2450954355 + ... + 2450955068.

It is an arithmetic number, because the mean of its divisors is an integer number (176468739264).

Almost surely, 2^{1749981664011} is an apocalyptic number.

1749981664011 is a deficient number, since it is larger than the sum of its proper divisors (1073518164213).

1749981664011 is a wasteful number, since it uses less digits than its factorization.

1749981664011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901909450.

The product of its (nonzero) digits is 2612736, while the sum is 57.

The spelling of 1749981664011 in words is "one trillion, seven hundred forty-nine billion, nine hundred eighty-one million, six hundred sixty-four thousand, eleven".