26295421601 has 2 divisors, whose sum is σ = 26295421602. Its totient is φ = 26295421600.

The previous prime is 26295421597. The next prime is 26295421631. The reversal of 26295421601 is 10612459262.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14018560000 + 12276861601 = 118400^2 + 110801^2 .

It is a cyclic number.

It is not a de Polignac number, because 26295421601 - 2² = 26295421597 is a prime.

It is not a weakly prime, because it can be changed into another prime (26295421631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13147710800 + 13147710801.

It is an arithmetic number, because the mean of its divisors is an integer number (13147710801).

Almost surely, 2^26295421601 is an apocalyptic number.

It is an amenable number.

26295421601 is a deficient number, since it is larger than the sum of its proper divisors (1).

26295421601 is an equidigital number, since it uses as much as digits as its factorization.

26295421601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 26295421601 in words is "twenty-six billion, two hundred ninety-five million, four hundred twenty-one thousand, six hundred one".