2645034645523 has 2 divisors, whose sum is σ = 2645034645524. Its totient is φ = 2645034645522.

The previous prime is 2645034645469. The next prime is 2645034645541. The reversal of 2645034645523 is 3255464305462.

2645034645523 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 2645034645523 - 2³³ = 2636444710931 is a prime.

It is not a weakly prime, because it can be changed into another prime (2645034645593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322517322761 + 1322517322762.

It is an arithmetic number, because the mean of its divisors is an integer number (1322517322762).

Almost surely, 2^{2645034645523} is an apocalyptic number.

2645034645523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645034645523 is an equidigital number, since it uses as much as digits as its factorization.

2645034645523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368000, while the sum is 49.

The spelling of 2645034645523 in words is "two trillion, six hundred forty-five billion, thirty-four million, six hundred forty-five thousand, five hundred twenty-three".