1018306949 has 8 divisors (see below), whose sum is σ = 1112473440. Its totient is φ = 924406000.

The previous prime is 1018306943. The next prime is 1018306963. The reversal of 1018306949 is 9496038101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1018306949 - 2²⁰ = 1017258373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018306943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58319 + ... + 73740.

It is an arithmetic number, because the mean of its divisors is an integer number (139059180).

Almost surely, 2^1018306949 is an apocalyptic number.

It is an amenable number.

1018306949 is a deficient number, since it is larger than the sum of its proper divisors (94166491).

1018306949 is a wasteful number, since it uses less digits than its factorization.

1018306949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132771.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 1018306949 is about 31910.9220957339. The cubic root of 1018306949 is about 1006.0654522404.

The spelling of 1018306949 in words is "one billion, eighteen million, three hundred six thousand, nine hundred forty-nine".