26027742446421 has 4 divisors (see below), whose sum is σ = 34703656595232. Its totient is φ = 17351828297612.

The previous prime is 26027742446401. The next prime is 26027742446437. The reversal of 26027742446421 is 12464424772062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26027742446421 - 2⁶ = 26027742446357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26027742446401) 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, 4337957074401 + ... + 4337957074406.

It is an arithmetic number, because the mean of its divisors is an integer number (8675914148808).

Almost surely, 2^{26027742446421} is an apocalyptic number.

It is an amenable number.

26027742446421 is a deficient number, since it is larger than the sum of its proper divisors (8675914148811).

26027742446421 is an equidigital number, since it uses as much as digits as its factorization.

26027742446421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8675914148810.

The product of its (nonzero) digits is 7225344, while the sum is 51.

The spelling of 26027742446421 in words is "twenty-six trillion, twenty-seven billion, seven hundred forty-two million, four hundred forty-six thousand, four hundred twenty-one".