2101684054 has 16 divisors (see below), whose sum is σ = 3221623296. Its totient is φ = 1027837800.

The previous prime is 2101684043. The next prime is 2101684103. The reversal of 2101684054 is 4504861012.

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 in 7 ways as a sum of consecutive naturals, for example, 166009 + ... + 178219.

It is an arithmetic number, because the mean of its divisors is an integer number (201351456).

Almost surely, 2^2101684054 is an apocalyptic number.

2101684054 is a deficient number, since it is larger than the sum of its proper divisors (1119939242).

2101684054 is a wasteful number, since it uses less digits than its factorization.

2101684054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14091.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2101684054 is about 45844.1278028059. The cubic root of 2101684054 is about 1280.9213853447.

The spelling of 2101684054 in words is "two billion, one hundred one million, six hundred eighty-four thousand, fifty-four".