2640308183 has 2 divisors, whose sum is σ = 2640308184. Its totient is φ = 2640308182.

The previous prime is 2640308149. The next prime is 2640308189. The reversal of 2640308183 is 3818030462.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2640308183 is a prime.

It is a super-2 number, since 2×2640308183² = 13942454602433522978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2640308189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320154091 + 1320154092.

It is an arithmetic number, because the mean of its divisors is an integer number (1320154092).

Almost surely, 2^2640308183 is an apocalyptic number.

2640308183 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640308183 is an equidigital number, since it uses as much as digits as its factorization.

2640308183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2640308183 is about 51383.9292288941. The cubic root of 2640308183 is about 1382.1384235805.

The spelling of 2640308183 in words is "two billion, six hundred forty million, three hundred eight thousand, one hundred eighty-three".