2684990801 has 8 divisors (see below), whose sum is σ = 2708677800. Its totient is φ = 2661363328.

The previous prime is 2684990773. The next prime is 2684990809. The reversal of 2684990801 is 1080994862.

It can be written as a sum of positive squares in 4 ways, for example, as 2221708225 + 463282576 = 47135^2 + 21524^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2684990801 - 2¹⁰ = 2684989777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2684990809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78275 + ... + 107223.

It is an arithmetic number, because the mean of its divisors is an integer number (338584725).

Almost surely, 2^2684990801 is an apocalyptic number.

It is an amenable number.

2684990801 is a deficient number, since it is larger than the sum of its proper divisors (23686999).

2684990801 is a wasteful number, since it uses less digits than its factorization.

2684990801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29763.

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

The square root of 2684990801 is about 51816.8968677207. The cubic root of 2684990801 is about 1389.8916122375.

The spelling of 2684990801 in words is "two billion, six hundred eighty-four million, nine hundred ninety thousand, eight hundred one".