1044506671691 has 16 divisors (see below), whose sum is σ = 1278142441920. Its totient is φ = 833159500800.

The previous prime is 1044506671619. The next prime is 1044506671717. The reversal of 1044506671691 is 1961766054401.

It is not a de Polignac number, because 1044506671691 - 2³⁴ = 1027326802507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044506671891) 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 15 ways as a sum of consecutive naturals, for example, 49300460 + ... + 49321641.

It is an arithmetic number, because the mean of its divisors is an integer number (79883902620).

Almost surely, 2^{1044506671691} is an apocalyptic number.

1044506671691 is a deficient number, since it is larger than the sum of its proper divisors (233635770229).

1044506671691 is an equidigital number, since it uses as much as digits as its factorization.

1044506671691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98622214.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 1044506671691 in words is "one trillion, forty-four billion, five hundred six million, six hundred seventy-one thousand, six hundred ninety-one".