44403819149 has 2 divisors, whose sum is σ = 44403819150. Its totient is φ = 44403819148.

The previous prime is 44403819079. The next prime is 44403819169. The reversal of 44403819149 is 94191830444.

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., 43032598249 + 1371220900 = 207443^2 + 37030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44403819149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44403819169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22201909574 + 22201909575.

It is an arithmetic number, because the mean of its divisors is an integer number (22201909575).

Almost surely, 2^44403819149 is an apocalyptic number.

It is an amenable number.

44403819149 is a deficient number, since it is larger than the sum of its proper divisors (1).

44403819149 is an equidigital number, since it uses as much as digits as its factorization.

44403819149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 44403819149 in words is "forty-four billion, four hundred three million, eight hundred nineteen thousand, one hundred forty-nine".