2819684090 has 16 divisors (see below), whose sum is σ = 5373986472. Its totient is φ = 1061528064.

The previous prime is 2819684089. The next prime is 2819684137. The reversal of 2819684090 is 904869182.

2819684090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2346142969 + 473541121 = 48437^2 + 21761^2 .

It is a Curzon number.

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, 8293019 + ... + 8293358.

Almost surely, 2^2819684090 is an apocalyptic number.

2819684090 is a deficient number, since it is larger than the sum of its proper divisors (2554302382).

2819684090 is a wasteful number, since it uses less digits than its factorization.

2819684090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16586401.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 2819684090 is about 53100.6976413681. The cubic root of 2819684090 is about 1412.7548858954.

The spelling of 2819684090 in words is "two billion, eight hundred nineteen million, six hundred eighty-four thousand, ninety".