2839720041 has 12 divisors (see below), whose sum is σ = 4124482180. Its totient is φ = 1882686240.

The previous prime is 2839720033. The next prime is 2839720097. The reversal of 2839720041 is 1400279382.

2839720041 is a `hidden beast` number, since 28 + 397 + 200 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 439112025 + 2400608016 = 20955^2 + 48996^2 .

It is not a de Polignac number, because 2839720041 - 2³ = 2839720033 is a prime.

It is a super-2 number, since 2×2839720041² = 16128019822514083362, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2839719978 and 2839720005.

It is not an unprimeable number, because it can be changed into a prime (2839720441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 869986 + ... + 873243.

Almost surely, 2^2839720041 is an apocalyptic number.

It is an amenable number.

2839720041 is a deficient number, since it is larger than the sum of its proper divisors (1284762139).

2839720041 is a wasteful number, since it uses less digits than its factorization.

2839720041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743416 (or 1743413 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2839720041 is about 53289.0236446494. The cubic root of 2839720041 is about 1416.0932156986.

The spelling of 2839720041 in words is "two billion, eight hundred thirty-nine million, seven hundred twenty thousand, forty-one".