999382625671 has 2 divisors, whose sum is σ = 999382625672. Its totient is φ = 999382625670.

The previous prime is 999382625669. The next prime is 999382625701. The reversal of 999382625671 is 176526283999.

999382625671 = T₈₁₆₂₄₃ + T₈₁₆₂₄₄ + T₈₁₆₂₄₅.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999382625671 - 2¹ = 999382625669 is a prime.

Together with 999382625669, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 999382625597 and 999382625606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999382625771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499691312835 + 499691312836.

It is an arithmetic number, because the mean of its divisors is an integer number (499691312836).

Almost surely, 2^999382625671 is an apocalyptic number.

999382625671 is the 816245-th centered triangular number.

999382625671 is a deficient number, since it is larger than the sum of its proper divisors (1).

999382625671 is an equidigital number, since it uses as much as digits as its factorization.

999382625671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88179840, while the sum is 67.

The spelling of 999382625671 in words is "nine hundred ninety-nine billion, three hundred eighty-two million, six hundred twenty-five thousand, six hundred seventy-one".