44122644691 has 2 divisors, whose sum is σ = 44122644692. Its totient is φ = 44122644690.

The previous prime is 44122644661. The next prime is 44122644719. The reversal of 44122644691 is 19644622144.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44122644691 - 2⁵ = 44122644659 is a prime.

It is not a weakly prime, because it can be changed into another prime (44122644661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22061322345 + 22061322346.

It is an arithmetic number, because the mean of its divisors is an integer number (22061322346).

Almost surely, 2^44122644691 is an apocalyptic number.

44122644691 is a deficient number, since it is larger than the sum of its proper divisors (1).

44122644691 is an equidigital number, since it uses as much as digits as its factorization.

44122644691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 43.

The spelling of 44122644691 in words is "forty-four billion, one hundred twenty-two million, six hundred forty-four thousand, six hundred ninety-one".