26021623241 has 2 divisors, whose sum is σ = 26021623242. Its totient is φ = 26021623240.

The previous prime is 26021623193. The next prime is 26021623253. The reversal of 26021623241 is 14232612062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21162975625 + 4858647616 = 145475^2 + 69704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26021623241 is a prime.

It is not a weakly prime, because it can be changed into another prime (26021620241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13010811620 + 13010811621.

It is an arithmetic number, because the mean of its divisors is an integer number (13010811621).

Almost surely, 2^26021623241 is an apocalyptic number.

It is an amenable number.

26021623241 is a deficient number, since it is larger than the sum of its proper divisors (1).

26021623241 is an equidigital number, since it uses as much as digits as its factorization.

26021623241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 26021623241 in words is "twenty-six billion, twenty-one million, six hundred twenty-three thousand, two hundred forty-one".