44273492869 has 2 divisors, whose sum is σ = 44273492870. Its totient is φ = 44273492868.

The previous prime is 44273492831. The next prime is 44273492899. The reversal of 44273492869 is 96829437244.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43623752769 + 649740100 = 208863^2 + 25490^2 .

It is a cyclic number.

It is not a de Polignac number, because 44273492869 - 2²¹ = 44271395717 is a prime.

It is a super-2 number, since 2×44273492869² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44273492899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22136746434 + 22136746435.

It is an arithmetic number, because the mean of its divisors is an integer number (22136746435).

Almost surely, 2^44273492869 is an apocalyptic number.

It is an amenable number.

44273492869 is a deficient number, since it is larger than the sum of its proper divisors (1).

44273492869 is an equidigital number, since it uses as much as digits as its factorization.

44273492869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 58.

The spelling of 44273492869 in words is "forty-four billion, two hundred seventy-three million, four hundred ninety-two thousand, eight hundred sixty-nine".