44102386639 has 2 divisors, whose sum is σ = 44102386640. Its totient is φ = 44102386638.

The previous prime is 44102386631. The next prime is 44102386681. The reversal of 44102386639 is 93668320144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44102386639 - 2³ = 44102386631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44102386631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22051193319 + 22051193320.

It is an arithmetic number, because the mean of its divisors is an integer number (22051193320).

Almost surely, 2^44102386639 is an apocalyptic number.

44102386639 is a deficient number, since it is larger than the sum of its proper divisors (1).

44102386639 is an equidigital number, since it uses as much as digits as its factorization.

44102386639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 44102386639 in words is "forty-four billion, one hundred two million, three hundred eighty-six thousand, six hundred thirty-nine".