1005043499 has 2 divisors, whose sum is σ = 1005043500. Its totient is φ = 1005043498.

The previous prime is 1005043463. The next prime is 1005043573. The reversal of 1005043499 is 9943405001.

It is a weak prime.

It is an emirp because it is prime and its reverse (9943405001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1005043499 - 2⁸ = 1005043243 is a prime.

It is a super-2 number, since 2×1005043499² = 2020224869764326002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1005043799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502521749 + 502521750.

It is an arithmetic number, because the mean of its divisors is an integer number (502521750).

Almost surely, 2^1005043499 is an apocalyptic number.

1005043499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005043499 is an equidigital number, since it uses as much as digits as its factorization.

1005043499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1005043499 is about 31702.4210274231. The cubic root of 1005043499 is about 1001.6783479058.

The spelling of 1005043499 in words is "one billion, five million, forty-three thousand, four hundred ninety-nine".