44992685009 has 2 divisors, whose sum is σ = 44992685010. Its totient is φ = 44992685008.

The previous prime is 44992684967. The next prime is 44992685011. The reversal of 44992685009 is 90058629944.

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., 36339034384 + 8653650625 = 190628^2 + 93025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44992685009 is a prime.

Together with 44992685011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44992685909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22496342504 + 22496342505.

It is an arithmetic number, because the mean of its divisors is an integer number (22496342505).

Almost surely, 2^44992685009 is an apocalyptic number.

It is an amenable number.

44992685009 is a deficient number, since it is larger than the sum of its proper divisors (1).

44992685009 is an equidigital number, since it uses as much as digits as its factorization.

44992685009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 44992685009 in words is "forty-four billion, nine hundred ninety-two million, six hundred eighty-five thousand, nine".