999279341 has 2 divisors, whose sum is σ = 999279342. Its totient is φ = 999279340.

The previous prime is 999279319. The next prime is 999279343. The reversal of 999279341 is 143972999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 816759241 + 182520100 = 28579^2 + 13510^2 .

It is a cyclic number.

It is not a de Polignac number, because 999279341 - 2⁶ = 999279277 is a prime.

Together with 999279343, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999279343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499639670 + 499639671.

It is an arithmetic number, because the mean of its divisors is an integer number (499639671).

Almost surely, 2^999279341 is an apocalyptic number.

It is an amenable number.

999279341 is a deficient number, since it is larger than the sum of its proper divisors (1).

999279341 is an equidigital number, since it uses as much as digits as its factorization.

999279341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102248, while the sum is 53.

The square root of 999279341 is about 31611.3799287535. The cubic root of 999279341 is about 999.7597226047.

The spelling of 999279341 in words is "nine hundred ninety-nine million, two hundred seventy-nine thousand, three hundred forty-one".