1118464819 has 2 divisors, whose sum is σ = 1118464820. Its totient is φ = 1118464818.

The previous prime is 1118464813. The next prime is 1118464913. The reversal of 1118464819 is 9184648111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1118464819 - 2⁹ = 1118464307 is a prime.

It is a super-2 number, since 2×1118464819² = 2501927102681405522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1118464813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559232409 + 559232410.

It is an arithmetic number, because the mean of its divisors is an integer number (559232410).

Almost surely, 2^1118464819 is an apocalyptic number.

1118464819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118464819 is an equidigital number, since it uses as much as digits as its factorization.

1118464819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 43.

The square root of 1118464819 is about 33443.4570431946. The cubic root of 1118464819 is about 1038.0241142275.

The spelling of 1118464819 in words is "one billion, one hundred eighteen million, four hundred sixty-four thousand, eight hundred nineteen".