1118464913 has 2 divisors, whose sum is σ = 1118464914. Its totient is φ = 1118464912.

The previous prime is 1118464819. The next prime is 1118464927. The reversal of 1118464913 is 3194648111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1109422864 + 9042049 = 33308^2 + 3007^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118464913 - 2⁸ = 1118464657 is a prime.

It is a super-2 number, since 2×1118464913² = 2501927523224195138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1118464993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559232456 + 559232457.

It is an arithmetic number, because the mean of its divisors is an integer number (559232457).

Almost surely, 2^1118464913 is an apocalyptic number.

It is an amenable number.

1118464913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118464913 is an equidigital number, since it uses as much as digits as its factorization.

1118464913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 38.

The square root of 1118464913 is about 33443.4584485516. The cubic root of 1118464913 is about 1038.0241433073.

The spelling of 1118464913 in words is "one billion, one hundred eighteen million, four hundred sixty-four thousand, nine hundred thirteen".