44816319997 has 2 divisors, whose sum is σ = 44816319998. Its totient is φ = 44816319996.

The previous prime is 44816319983. The next prime is 44816320001. The reversal of 44816319997 is 79991361844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24238130596 + 20578189401 = 155686^2 + 143451^2 .

It is a cyclic number.

It is not a de Polignac number, because 44816319997 - 2⁷ = 44816319869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44816319907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22408159998 + 22408159999.

It is an arithmetic number, because the mean of its divisors is an integer number (22408159999).

Almost surely, 2^44816319997 is an apocalyptic number.

It is an amenable number.

44816319997 is a deficient number, since it is larger than the sum of its proper divisors (1).

44816319997 is an equidigital number, since it uses as much as digits as its factorization.

44816319997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 61.

The spelling of 44816319997 in words is "forty-four billion, eight hundred sixteen million, three hundred nineteen thousand, nine hundred ninety-seven".