999950893 has 2 divisors, whose sum is σ = 999950894. Its totient is φ = 999950892.

The previous prime is 999950891. The next prime is 999950923. The reversal of 999950893 is 398059999.

999950893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 999950884 + 9 = 31622^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 999950893 - 2¹ = 999950891 is a prime.

It is a super-2 number, since 2×999950893² = 1999803576822994898, which contains 22 as substring.

Together with 999950891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999950891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499975446 + 499975447.

It is an arithmetic number, because the mean of its divisors is an integer number (499975447).

Almost surely, 2^999950893 is an apocalyptic number.

It is an amenable number.

999950893 is a deficient number, since it is larger than the sum of its proper divisors (1).

999950893 is an equidigital number, since it uses as much as digits as its factorization.

999950893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7085880, while the sum is 61.

The square root of 999950893 is about 31622.0001423060. Note that the first 3 decimals coincide. The cubic root of 999950893 is about 999.9836307320.

The spelling of 999950893 in words is "nine hundred ninety-nine million, nine hundred fifty thousand, eight hundred ninety-three".