25916408773 has 2 divisors, whose sum is σ = 25916408774. Its totient is φ = 25916408772.

The previous prime is 25916408741. The next prime is 25916408803. The reversal of 25916408773 is 37780461952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13400840644 + 12515568129 = 115762^2 + 111873^2 .

It is a cyclic number.

It is not a de Polignac number, because 25916408773 - 2⁵ = 25916408741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25916408773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25916402773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12958204386 + 12958204387.

It is an arithmetic number, because the mean of its divisors is an integer number (12958204387).

It is a 1-persistent number, because it is pandigital, but 2⋅25916408773 = 51832817546 is not.

Almost surely, 2^25916408773 is an apocalyptic number.

It is an amenable number.

25916408773 is a deficient number, since it is larger than the sum of its proper divisors (1).

25916408773 is an equidigital number, since it uses as much as digits as its factorization.

25916408773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 25916408773 in words is "twenty-five billion, nine hundred sixteen million, four hundred eight thousand, seven hundred seventy-three".