44809497811 has 16 divisors (see below), whose sum is σ = 48445492480. Its totient is φ = 41200837920.

The previous prime is 44809497809. The next prime is 44809497823. The reversal of 44809497811 is 11879490844.

It is a cyclic number.

It is not a de Polignac number, because 44809497811 - 2¹ = 44809497809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44809497881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3663496 + ... + 3675706.

It is an arithmetic number, because the mean of its divisors is an integer number (3027843280).

Almost surely, 2^44809497811 is an apocalyptic number.

44809497811 is a deficient number, since it is larger than the sum of its proper divisors (3635994669).

44809497811 is a wasteful number, since it uses less digits than its factorization.

44809497811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13306.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 44809497811 in words is "forty-four billion, eight hundred nine million, four hundred ninety-seven thousand, eight hundred eleven".