44927949809 has 4 divisors (see below), whose sum is σ = 47570770404. Its totient is φ = 42285129216.

The previous prime is 44927949769. The next prime is 44927949811. The reversal of 44927949809 is 90894972944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35145750784 + 9782199025 = 187472^2 + 98905^2 .

It is a cyclic number.

It is not a de Polignac number, because 44927949809 - 2²⁰ = 44926901233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44927949889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321410272 + ... + 1321410305.

It is an arithmetic number, because the mean of its divisors is an integer number (11892692601).

Almost surely, 2^44927949809 is an apocalyptic number.

It is an amenable number.

44927949809 is a deficient number, since it is larger than the sum of its proper divisors (2642820595).

44927949809 is a wasteful number, since it uses less digits than its factorization.

44927949809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642820594.

The product of its (nonzero) digits is 47029248, while the sum is 65.

The spelling of 44927949809 in words is "forty-four billion, nine hundred twenty-seven million, nine hundred forty-nine thousand, eight hundred nine".