999065143 has 2 divisors, whose sum is σ = 999065144. Its totient is φ = 999065142.

The previous prime is 999065131. The next prime is 999065153. The reversal of 999065143 is 341560999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999065143 - 2²¹ = 996967991 is a prime.

It is a super-2 number, since 2×999065143² = 1996262319915220898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 999065093 and 999065102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999065153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499532571 + 499532572.

It is an arithmetic number, because the mean of its divisors is an integer number (499532572).

Almost surely, 2^999065143 is an apocalyptic number.

999065143 is a deficient number, since it is larger than the sum of its proper divisors (1).

999065143 is an equidigital number, since it uses as much as digits as its factorization.

999065143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 999065143 is about 31607.9917584145. The cubic root of 999065143 is about 999.6882838431.

The spelling of 999065143 in words is "nine hundred ninety-nine million, sixty-five thousand, one hundred forty-three".