44002709 has 2 divisors, whose sum is σ = 44002710. Its totient is φ = 44002708.

The previous prime is 44002697. The next prime is 44002711. The reversal of 44002709 is 90720044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42941809 + 1060900 = 6553^2 + 1030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44002709 is a prime.

Together with 44002711, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44002009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22001354 + 22001355.

It is an arithmetic number, because the mean of its divisors is an integer number (22001355).

Almost surely, 2^44002709 is an apocalyptic number.

It is an amenable number.

44002709 is a deficient number, since it is larger than the sum of its proper divisors (1).

44002709 is an equidigital number, since it uses as much as digits as its factorization.

44002709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 44002709 is about 6633.4537761260. The cubic root of 44002709 is about 353.0420786215.

The spelling of 44002709 in words is "forty-four million, two thousand, seven hundred nine".