26025966844973 has 2 divisors, whose sum is σ = 26025966844974. Its totient is φ = 26025966844972.

The previous prime is 26025966844879. The next prime is 26025966844993. The reversal of 26025966844973 is 37944866952062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19848967427524 + 6176999417449 = 4455218^2 + 2485357^2 .

It is a cyclic number.

It is not a de Polignac number, because 26025966844973 - 2²² = 26025962650669 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26025966844897 and 26025966844906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26025966844993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13012983422486 + 13012983422487.

It is an arithmetic number, because the mean of its divisors is an integer number (13012983422487).

Almost surely, 2^{26025966844973} is an apocalyptic number.

It is an amenable number.

26025966844973 is a deficient number, since it is larger than the sum of its proper divisors (1).

26025966844973 is an equidigital number, since it uses as much as digits as its factorization.

26025966844973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940584960, while the sum is 71.

The spelling of 26025966844973 in words is "twenty-six trillion, twenty-five billion, nine hundred sixty-six million, eight hundred forty-four thousand, nine hundred seventy-three".