25773277273 has 2 divisors, whose sum is σ = 25773277274. Its totient is φ = 25773277272.

The previous prime is 25773277259. The next prime is 25773277291. The reversal of 25773277273 is 37277237752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24238753344 + 1534523929 = 155688^2 + 39173^2 .

It is a cyclic number.

It is not a de Polignac number, because 25773277273 - 2⁵ = 25773277241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25773277273.

It is not a weakly prime, because it can be changed into another prime (25773277223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12886638636 + 12886638637.

It is an arithmetic number, because the mean of its divisors is an integer number (12886638637).

Almost surely, 2^25773277273 is an apocalyptic number.

It is an amenable number.

25773277273 is a deficient number, since it is larger than the sum of its proper divisors (1).

25773277273 is an equidigital number, since it uses as much as digits as its factorization.

25773277273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6050520, while the sum is 52.

The spelling of 25773277273 in words is "twenty-five billion, seven hundred seventy-three million, two hundred seventy-seven thousand, two hundred seventy-three".