1018495863 has 96 divisors (see below), whose sum is σ = 1968744960. Its totient is φ = 510572160.

The previous prime is 1018495853. The next prime is 1018495879. The reversal of 1018495863 is 3685948101.

1018495863 is a `hidden beast` number, since 10 + 18 + 49 + 586 + 3 = 666.

It is not a de Polignac number, because 1018495863 - 2⁶ = 1018495799 is a prime.

It is a super-2 number, since 2×1018495863² = 2074667645896229538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018495843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 541681 + ... + 543557.

It is an arithmetic number, because the mean of its divisors is an integer number (20507760).

Almost surely, 2^1018495863 is an apocalyptic number.

1018495863 is a deficient number, since it is larger than the sum of its proper divisors (950249097).

1018495863 is a wasteful number, since it uses less digits than its factorization.

1018495863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939 (or 1927 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1018495863 is about 31913.8819794772. The cubic root of 1018495863 is about 1006.1276627219.

The spelling of 1018495863 in words is "one billion, eighteen million, four hundred ninety-five thousand, eight hundred sixty-three".