2291680004 has 6 divisors (see below), whose sum is σ = 4010440014. Its totient is φ = 1145840000.

The previous prime is 2291679997. The next prime is 2291680007. The reversal of 2291680004 is 4000861922.

It can be written as a sum of positive squares in only one way, i.e., 1767361600 + 524318404 = 42040^2 + 22898^2 .

It is not an unprimeable number, because it can be changed into a prime (2291680007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286459997 + ... + 286460004.

It is an arithmetic number, because the mean of its divisors is an integer number (668406669).

Almost surely, 2^2291680004 is an apocalyptic number.

It is an amenable number.

2291680004 is a deficient number, since it is larger than the sum of its proper divisors (1718760010).

2291680004 is a wasteful number, since it uses less digits than its factorization.

2291680004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572920005 (or 572920003 counting only the distinct ones).

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

The square root of 2291680004 is about 47871.4946915176. The cubic root of 2291680004 is about 1318.4125399226.

The spelling of 2291680004 in words is "two billion, two hundred ninety-one million, six hundred eighty thousand, four".