2640877831783 has 2 divisors, whose sum is σ = 2640877831784. Its totient is φ = 2640877831782.

The previous prime is 2640877831733. The next prime is 2640877831811. The reversal of 2640877831783 is 3871387780462.

2640877831783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2640877831783 - 2²⁹ = 2640340960871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2640877831703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320438915891 + 1320438915892.

It is an arithmetic number, because the mean of its divisors is an integer number (1320438915892).

Almost surely, 2^{2640877831783} is an apocalyptic number.

2640877831783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640877831783 is an equidigital number, since it uses as much as digits as its factorization.

2640877831783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75866112, while the sum is 64.

The spelling of 2640877831783 in words is "two trillion, six hundred forty billion, eight hundred seventy-seven million, eight hundred thirty-one thousand, seven hundred eighty-three".