2104480391 has 4 divisors (see below), whose sum is σ = 2266363512. Its totient is φ = 1942597272.

The previous prime is 2104480363. The next prime is 2104480403. The reversal of 2104480391 is 1930844012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104480391 is a prime.

It is a super-2 number, since 2×2104480391² = 8857675432207025762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104480591) 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, 80941541 + ... + 80941566.

It is an arithmetic number, because the mean of its divisors is an integer number (566590878).

Almost surely, 2^2104480391 is an apocalyptic number.

2104480391 is a deficient number, since it is larger than the sum of its proper divisors (161883121).

2104480391 is a wasteful number, since it uses less digits than its factorization.

2104480391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161883120.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2104480391 is about 45874.6159765943. The cubic root of 2104480391 is about 1281.4892316291.

The spelling of 2104480391 in words is "two billion, one hundred four million, four hundred eighty thousand, three hundred ninety-one".