1118344999 has 2 divisors, whose sum is σ = 1118345000. Its totient is φ = 1118344998.

The previous prime is 1118344957. The next prime is 1118345003. The reversal of 1118344999 is 9994438111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1118344999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118344399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559172499 + 559172500.

It is an arithmetic number, because the mean of its divisors is an integer number (559172500).

Almost surely, 2^1118344999 is an apocalyptic number.

1118344999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118344999 is an equidigital number, since it uses as much as digits as its factorization.

1118344999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 49.

The square root of 1118344999 is about 33441.6656134230. The cubic root of 1118344999 is about 1037.9870454141.

The spelling of 1118344999 in words is "one billion, one hundred eighteen million, three hundred forty-four thousand, nine hundred ninety-nine".