2645454266293 has 2 divisors, whose sum is σ = 2645454266294. Its totient is φ = 2645454266292.

The previous prime is 2645454266291. The next prime is 2645454266321. The reversal of 2645454266293 is 3926624545462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2220880828644 + 424573437649 = 1490262^2 + 651593^2 .

It is a cyclic number.

It is not a de Polignac number, because 2645454266293 - 2¹ = 2645454266291 is a prime.

Together with 2645454266291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2645454266291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322727133146 + 1322727133147.

It is an arithmetic number, because the mean of its divisors is an integer number (1322727133147).

Almost surely, 2^{2645454266293} is an apocalyptic number.

It is an amenable number.

2645454266293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645454266293 is an equidigital number, since it uses as much as digits as its factorization.

2645454266293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74649600, while the sum is 58.

The spelling of 2645454266293 in words is "two trillion, six hundred forty-five billion, four hundred fifty-four million, two hundred sixty-six thousand, two hundred ninety-three".