44561303424991 has 2 divisors, whose sum is σ = 44561303424992. Its totient is φ = 44561303424990.

The previous prime is 44561303424917. The next prime is 44561303425019. The reversal of 44561303424991 is 19942430316544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44561303424991 - 2¹¹ = 44561303422943 is a prime.

It is a super-2 number, since 2×44561303424991² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44561303424091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22280651712495 + 22280651712496.

It is an arithmetic number, because the mean of its divisors is an integer number (22280651712496).

Almost surely, 2^{44561303424991} is an apocalyptic number.

44561303424991 is a deficient number, since it is larger than the sum of its proper divisors (1).

44561303424991 is an equidigital number, since it uses as much as digits as its factorization.

44561303424991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 44561303424991 in words is "forty-four trillion, five hundred sixty-one billion, three hundred three million, four hundred twenty-four thousand, nine hundred ninety-one".