44640302666647 has 2 divisors, whose sum is σ = 44640302666648. Its totient is φ = 44640302666646.

The previous prime is 44640302666507. The next prime is 44640302666717. The reversal of 44640302666647 is 74666620304644.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44640302666647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44640302666591 and 44640302666600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44640302676647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22320151333323 + 22320151333324.

It is an arithmetic number, because the mean of its divisors is an integer number (22320151333324).

Almost surely, 2^{44640302666647} is an apocalyptic number.

44640302666647 is a deficient number, since it is larger than the sum of its proper divisors (1).

44640302666647 is an equidigital number, since it uses as much as digits as its factorization.

44640302666647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 83607552, while the sum is 58.

The spelling of 44640302666647 in words is "forty-four trillion, six hundred forty billion, three hundred two million, six hundred sixty-six thousand, six hundred forty-seven".