2605640054053 has 2 divisors, whose sum is σ = 2605640054054. Its totient is φ = 2605640054052.

The previous prime is 2605640054051. The next prime is 2605640054099. The reversal of 2605640054053 is 3504500465062.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2605635183204 + 4870849 = 1614198^2 + 2207^2 .

It is a cyclic number.

It is not a de Polignac number, because 2605640054053 - 2¹ = 2605640054051 is a prime.

Together with 2605640054051, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2605640053997 and 2605640054015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2605640054051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302820027026 + 1302820027027.

It is an arithmetic number, because the mean of its divisors is an integer number (1302820027027).

Almost surely, 2^{2605640054053} is an apocalyptic number.

It is an amenable number.

2605640054053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2605640054053 is an equidigital number, since it uses as much as digits as its factorization.

2605640054053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 2605640054053 in words is "two trillion, six hundred five billion, six hundred forty million, fifty-four thousand, fifty-three".