26422954591 has 4 divisors (see below), whose sum is σ = 28825041384. Its totient is φ = 24020867800.

The previous prime is 26422954577. The next prime is 26422954601. The reversal of 26422954591 is 19545922462.

It is a happy number.

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 26422954591 - 2¹³ = 26422946399 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 (26422954291) 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, 1201043380 + ... + 1201043401.

It is an arithmetic number, because the mean of its divisors is an integer number (7206260346).

Almost surely, 2^26422954591 is an apocalyptic number.

26422954591 is a deficient number, since it is larger than the sum of its proper divisors (2402086793).

26422954591 is a wasteful number, since it uses less digits than its factorization.

26422954591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402086792.

The product of its digits is 1555200, while the sum is 49.

The spelling of 26422954591 in words is "twenty-six billion, four hundred twenty-two million, nine hundred fifty-four thousand, five hundred ninety-one".