444936497651 has 2 divisors, whose sum is σ = 444936497652. Its totient is φ = 444936497650.

The previous prime is 444936497633. The next prime is 444936497711. The reversal of 444936497651 is 156794639444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444936497651 - 2¹⁴ = 444936481267 is a prime.

It is not a weakly prime, because it can be changed into another prime (444926497651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222468248825 + 222468248826.

It is an arithmetic number, because the mean of its divisors is an integer number (222468248826).

Almost surely, 2^444936497651 is an apocalyptic number.

444936497651 is a deficient number, since it is larger than the sum of its proper divisors (1).

444936497651 is an equidigital number, since it uses as much as digits as its factorization.

444936497651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78382080, while the sum is 62.

The spelling of 444936497651 in words is "four hundred forty-four billion, nine hundred thirty-six million, four hundred ninety-seven thousand, six hundred fifty-one".