9999944299607 has 2 divisors, whose sum is σ = 9999944299608. Its totient is φ = 9999944299606.

The previous prime is 9999944299453. The next prime is 9999944299661. The reversal of 9999944299607 is 7069924499999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9999944299607 - 2⁸ = 9999944299351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9999944298607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999972149803 + 4999972149804.

It is an arithmetic number, because the mean of its divisors is an integer number (4999972149804).

Almost surely, 2^{9999944299607} is an apocalyptic number.

9999944299607 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999944299607 is an equidigital number, since it uses as much as digits as its factorization.

9999944299607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6428310336, while the sum is 86.

The spelling of 9999944299607 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred forty-four million, two hundred ninety-nine thousand, six hundred seven".