26081359421 has 16 divisors (see below), whose sum is σ = 29852976384. Its totient is φ = 22572712704.

The previous prime is 26081359373. The next prime is 26081359433. The reversal of 26081359421 is 12495318062.

It is a cyclic number.

It is not a de Polignac number, because 26081359421 - 2⁶ = 26081359357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26081359471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166241 + ... + 282486.

It is an arithmetic number, because the mean of its divisors is an integer number (1865811024).

Almost surely, 2^26081359421 is an apocalyptic number.

It is an amenable number.

26081359421 is a deficient number, since it is larger than the sum of its proper divisors (3771616963).

26081359421 is a wasteful number, since it uses less digits than its factorization.

26081359421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449020.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 26081359421 in words is "twenty-six billion, eighty-one million, three hundred fifty-nine thousand, four hundred twenty-one".