2169078904 has 32 divisors (see below), whose sum is σ = 4133301120. Its totient is φ = 1066909536.

The previous prime is 2169078881. The next prime is 2169078949. The reversal of 2169078904 is 4098709612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470997 + ... + 475579.

It is an arithmetic number, because the mean of its divisors is an integer number (129165660).

Almost surely, 2^2169078904 is an apocalyptic number.

It is an amenable number.

2169078904 is a deficient number, since it is larger than the sum of its proper divisors (1964222216).

2169078904 is a wasteful number, since it uses less digits than its factorization.

2169078904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539 (or 5535 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 2169078904 is about 46573.3711899837. The cubic root of 2169078904 is about 1294.4693848369.

The spelling of 2169078904 in words is "two billion, one hundred sixty-nine million, seventy-eight thousand, nine hundred four".