2158286804 has 12 divisors (see below), whose sum is σ = 3780098784. Its totient is φ = 1078258584.

The previous prime is 2158286803. The next prime is 2158286839. The reversal of 2158286804 is 4086828512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158286803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215702 + ... + 225485.

It is an arithmetic number, because the mean of its divisors is an integer number (315008232).

Almost surely, 2^2158286804 is an apocalyptic number.

It is an amenable number.

2158286804 is a deficient number, since it is larger than the sum of its proper divisors (1621811980).

2158286804 is a wasteful number, since it uses less digits than its factorization.

2158286804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442414 (or 442412 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 2158286804 is about 46457.3654440284. The cubic root of 2158286804 is about 1292.3189672460.

The spelling of 2158286804 in words is "two billion, one hundred fifty-eight million, two hundred eighty-six thousand, eight hundred four".