2104359639 has 32 divisors (see below), whose sum is σ = 2955048960. Its totient is φ = 1330300800.

The previous prime is 2104359601. The next prime is 2104359641. The reversal of 2104359639 is 9369534012.

It is a happy number.

It is not a de Polignac number, because 2104359639 - 2⁷ = 2104359511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2104359639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104359679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1967997 + ... + 1969065.

It is an arithmetic number, because the mean of its divisors is an integer number (92345280).

Almost surely, 2^2104359639 is an apocalyptic number.

2104359639 is a deficient number, since it is larger than the sum of its proper divisors (850689321).

2104359639 is a wasteful number, since it uses less digits than its factorization.

2104359639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 2104359639 is about 45873.2998486047. The cubic root of 2104359639 is about 1281.4647211691.

The spelling of 2104359639 in words is "two billion, one hundred four million, three hundred fifty-nine thousand, six hundred thirty-nine".