26401128619 has 4 divisors (see below), whose sum is σ = 26401503960. Its totient is φ = 26400753280.

The previous prime is 26401128599. The next prime is 26401128631. The reversal of 26401128619 is 91682110462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26401128619 - 2¹¹ = 26401126571 is a prime.

It is a super-3 number, since 3×26401128619³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26401122619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47029 + ... + 234550.

It is an arithmetic number, because the mean of its divisors is an integer number (6600375990).

Almost surely, 2^26401128619 is an apocalyptic number.

26401128619 is a deficient number, since it is larger than the sum of its proper divisors (375341).

26401128619 is an equidigital number, since it uses as much as digits as its factorization.

26401128619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375340.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 26401128619 in words is "twenty-six billion, four hundred one million, one hundred twenty-eight thousand, six hundred nineteen".