999937380307 has 2 divisors, whose sum is σ = 999937380308. Its totient is φ = 999937380306.

The previous prime is 999937380293. The next prime is 999937380349. The reversal of 999937380307 is 703083739999.

It is a weak prime.

It is an emirp because it is prime and its reverse (703083739999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999937380307 - 2¹⁹ = 999936856019 is a prime.

It is not a weakly prime, because it can be changed into another prime (999937380397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499968690153 + 499968690154.

It is an arithmetic number, because the mean of its divisors is an integer number (499968690154).

Almost surely, 2^999937380307 is an apocalyptic number.

999937380307 is a deficient number, since it is larger than the sum of its proper divisors (1).

999937380307 is an equidigital number, since it uses as much as digits as its factorization.

999937380307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69441624, while the sum is 67.

The spelling of 999937380307 in words is "nine hundred ninety-nine billion, nine hundred thirty-seven million, three hundred eighty thousand, three hundred seven".