999932958469 has 2 divisors, whose sum is σ = 999932958470. Its totient is φ = 999932958468.

The previous prime is 999932958461. The next prime is 999932958491. The reversal of 999932958469 is 964859239999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 998174833569 + 1758124900 = 999087^2 + 41930^2 .

It is a cyclic number.

It is not a de Polignac number, because 999932958469 - 2³ = 999932958461 is a prime.

It is a super-2 number, since 2×999932958469² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 999932958392 and 999932958401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999932958461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499966479234 + 499966479235.

It is an arithmetic number, because the mean of its divisors is an integer number (499966479235).

Almost surely, 2^999932958469 is an apocalyptic number.

It is an amenable number.

999932958469 is a deficient number, since it is larger than the sum of its proper divisors (1).

999932958469 is an equidigital number, since it uses as much as digits as its factorization.

999932958469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3061100160, while the sum is 82.

The spelling of 999932958469 in words is "nine hundred ninety-nine billion, nine hundred thirty-two million, nine hundred fifty-eight thousand, four hundred sixty-nine".