2163687404 has 12 divisors (see below), whose sum is σ = 3809127504. Its totient is φ = 1075365264.

The previous prime is 2163687403. The next prime is 2163687437. The reversal of 2163687404 is 4047863612.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2163687401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618859 + ... + 1620194.

It is an arithmetic number, because the mean of its divisors is an integer number (317427292).

Almost surely, 2^2163687404 is an apocalyptic number.

It is an amenable number.

2163687404 is a deficient number, since it is larger than the sum of its proper divisors (1645440100).

2163687404 is a wasteful number, since it uses less digits than its factorization.

2163687404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239224 (or 3239222 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 2163687404 is about 46515.4533891695. The cubic root of 2163687404 is about 1293.3959764949.

The spelling of 2163687404 in words is "two billion, one hundred sixty-three million, six hundred eighty-seven thousand, four hundred four".