2653278293 has 2 divisors, whose sum is σ = 2653278294. Its totient is φ = 2653278292.

The previous prime is 2653278269. The next prime is 2653278301. The reversal of 2653278293 is 3928723562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2246570404 + 406707889 = 47398^2 + 20167^2 .

It is a cyclic number.

It is not a de Polignac number, because 2653278293 - 2²⁶ = 2586169429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2653278233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1326639146 + 1326639147.

It is an arithmetic number, because the mean of its divisors is an integer number (1326639147).

Almost surely, 2^2653278293 is an apocalyptic number.

It is an amenable number.

2653278293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2653278293 is an equidigital number, since it uses as much as digits as its factorization.

2653278293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 47.

The square root of 2653278293 is about 51509.9824597136. The cubic root of 2653278293 is about 1384.3979090000.

The spelling of 2653278293 in words is "two billion, six hundred fifty-three million, two hundred seventy-eight thousand, two hundred ninety-three".