44981228791 has 2 divisors, whose sum is σ = 44981228792. Its totient is φ = 44981228790.

The previous prime is 44981228783. The next prime is 44981228837. The reversal of 44981228791 is 19782218944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44981228791 - 2³ = 44981228783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44981228711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22490614395 + 22490614396.

It is an arithmetic number, because the mean of its divisors is an integer number (22490614396).

Almost surely, 2^44981228791 is an apocalyptic number.

44981228791 is a deficient number, since it is larger than the sum of its proper divisors (1).

44981228791 is an equidigital number, since it uses as much as digits as its factorization.

44981228791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 55.

The spelling of 44981228791 in words is "forty-four billion, nine hundred eighty-one million, two hundred twenty-eight thousand, seven hundred ninety-one".