2640283711 has 4 divisors (see below), whose sum is σ = 2843382472. Its totient is φ = 2437184952.

The previous prime is 2640283699. The next prime is 2640283717. The reversal of 2640283711 is 1173820462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1173820462 = 2 ⋅586910231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2640283711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640283717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101549361 + ... + 101549386.

It is an arithmetic number, because the mean of its divisors is an integer number (710845618).

Almost surely, 2^2640283711 is an apocalyptic number.

2640283711 is a deficient number, since it is larger than the sum of its proper divisors (203098761).

2640283711 is a wasteful number, since it uses less digits than its factorization.

2640283711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203098760.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2640283711 is about 51383.6910994140. The cubic root of 2640283711 is about 1382.1341533976.

The spelling of 2640283711 in words is "two billion, six hundred forty million, two hundred eighty-three thousand, seven hundred eleven".