999999996371 has 2 divisors, whose sum is σ = 999999996372. Its totient is φ = 999999996370.

The previous prime is 999999996323. The next prime is 999999996449. The reversal of 999999996371 is 173699999999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999999996371 - 2³⁴ = 982820127187 is a prime.

It is not a weakly prime, because it can be changed into another prime (999999996311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499999998185 + 499999998186.

It is an arithmetic number, because the mean of its divisors is an integer number (499999998186).

Almost surely, 2^999999996371 is an apocalyptic number.

999999996371 is a deficient number, since it is larger than the sum of its proper divisors (1).

999999996371 is an equidigital number, since it uses as much as digits as its factorization.

999999996371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5423886846, while the sum is 89.

The spelling of 999999996371 in words is "nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-six thousand, three hundred seventy-one".