44342221999 has 2 divisors, whose sum is σ = 44342222000. Its totient is φ = 44342221998.

The previous prime is 44342221991. The next prime is 44342222011. The reversal of 44342221999 is 99912224344.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44342221999 - 2³ = 44342221991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44342221991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22171110999 + 22171111000.

It is an arithmetic number, because the mean of its divisors is an integer number (22171111000).

Almost surely, 2^44342221999 is an apocalyptic number.

44342221999 is a deficient number, since it is larger than the sum of its proper divisors (1).

44342221999 is an equidigital number, since it uses as much as digits as its factorization.

44342221999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 49.

The spelling of 44342221999 in words is "forty-four billion, three hundred forty-two million, two hundred twenty-one thousand, nine hundred ninety-nine".