26075893621 has 2 divisors, whose sum is σ = 26075893622. Its totient is φ = 26075893620.

The previous prime is 26075893583. The next prime is 26075893631. The reversal of 26075893621 is 12639857062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24676011396 + 1399882225 = 157086^2 + 37415^2 .

It is a cyclic number.

It is not a de Polignac number, because 26075893621 - 2¹⁷ = 26075762549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26075893631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13037946810 + 13037946811.

It is an arithmetic number, because the mean of its divisors is an integer number (13037946811).

Almost surely, 2^26075893621 is an apocalyptic number.

It is an amenable number.

26075893621 is a deficient number, since it is larger than the sum of its proper divisors (1).

26075893621 is an equidigital number, since it uses as much as digits as its factorization.

26075893621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 26075893621 in words is "twenty-six billion, seventy-five million, eight hundred ninety-three thousand, six hundred twenty-one".