26284525013 has 2 divisors, whose sum is σ = 26284525014. Its totient is φ = 26284525012.

The previous prime is 26284524983. The next prime is 26284525019. The reversal of 26284525013 is 31052548262.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19714125649 + 6570399364 = 140407^2 + 81058^2 .

It is a cyclic number.

It is not a de Polignac number, because 26284525013 - 2¹² = 26284520917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26284525019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13142262506 + 13142262507.

It is an arithmetic number, because the mean of its divisors is an integer number (13142262507).

Almost surely, 2^26284525013 is an apocalyptic number.

It is an amenable number.

26284525013 is a deficient number, since it is larger than the sum of its proper divisors (1).

26284525013 is an equidigital number, since it uses as much as digits as its factorization.

26284525013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 26284525013 in words is "twenty-six billion, two hundred eighty-four million, five hundred twenty-five thousand, thirteen".