44399999999 has 2 divisors, whose sum is σ = 44400000000. Its totient is φ = 44399999998.

The previous prime is 44399999993. The next prime is 44400000011. The reversal of 44399999999 is 99999999344.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44399999999 - 2¹² = 44399995903 is a prime.

It is a super-2 number, since 2×44399999999² (a number of 22 digits) contains 22 as substring.

44399999999 is a modest number, since divided by 999999 gives 44399 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44399999993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22199999999 + 22200000000.

It is an arithmetic number, because the mean of its divisors is an integer number (22200000000).

Almost surely, 2^44399999999 is an apocalyptic number.

44399999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

44399999999 is an equidigital number, since it uses as much as digits as its factorization.

44399999999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2066242608, while the sum is 83.

The spelling of 44399999999 in words is "forty-four billion, three hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".