2018403964 has 6 divisors (see below), whose sum is σ = 3532206944. Its totient is φ = 1009201980.

The previous prime is 2018403949. The next prime is 2018403971. The reversal of 2018403964 is 4693048102.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 252300492 + ... + 252300499.

Almost surely, 2^2018403964 is an apocalyptic number.

It is an amenable number.

2018403964 is a deficient number, since it is larger than the sum of its proper divisors (1513802980).

2018403964 is a wasteful number, since it uses less digits than its factorization.

2018403964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504600995 (or 504600993 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 2018403964 is about 44926.6509323809. The cubic root of 2018403964 is about 1263.7738464364.

The spelling of 2018403964 in words is "two billion, eighteen million, four hundred three thousand, nine hundred sixty-four".