2169914906 has 16 divisors (see below), whose sum is σ = 3289392288. Its totient is φ = 1073466000.

The previous prime is 2169914881. The next prime is 2169914911. The reversal of 2169914906 is 6094199612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387281 + ... + 392843.

It is an arithmetic number, because the mean of its divisors is an integer number (205587018).

Almost surely, 2^2169914906 is an apocalyptic number.

2169914906 is a deficient number, since it is larger than the sum of its proper divisors (1119477382).

2169914906 is a wasteful number, since it uses less digits than its factorization.

2169914906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7597.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 2169914906 is about 46582.3454325778. The cubic root of 2169914906 is about 1294.6356673992.

The spelling of 2169914906 in words is "two billion, one hundred sixty-nine million, nine hundred fourteen thousand, nine hundred six".