999672433 has 2 divisors, whose sum is σ = 999672434. Its totient is φ = 999672432.

The previous prime is 999672389. The next prime is 999672449. The reversal of 999672433 is 334276999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 996475489 + 3196944 = 31567^2 + 1788^2 .

It is a cyclic number.

It is not a de Polignac number, because 999672433 - 2²¹ = 997575281 is a prime.

It is not a weakly prime, because it can be changed into another prime (999672473) 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, 499836216 + 499836217.

It is an arithmetic number, because the mean of its divisors is an integer number (499836217).

Almost surely, 2^999672433 is an apocalyptic number.

It is an amenable number.

999672433 is a deficient number, since it is larger than the sum of its proper divisors (1).

999672433 is an equidigital number, since it uses as much as digits as its factorization.

999672433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 52.

The square root of 999672433 is about 31617.5968884417. The cubic root of 999672433 is about 999.8907990756.

It can be divided in two parts, 99967 and 2433, that added together give a square (102400 = 320²).

The spelling of 999672433 in words is "nine hundred ninety-nine million, six hundred seventy-two thousand, four hundred thirty-three".