26272387643 has 2 divisors, whose sum is σ = 26272387644. Its totient is φ = 26272387642.

The previous prime is 26272387627. The next prime is 26272387649. The reversal of 26272387643 is 34678327262.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26272387643 - 2⁴ = 26272387627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26272387591 and 26272387600.

It is not a weakly prime, because it can be changed into another prime (26272387649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13136193821 + 13136193822.

It is an arithmetic number, because the mean of its divisors is an integer number (13136193822).

Almost surely, 2^26272387643 is an apocalyptic number.

26272387643 is a deficient number, since it is larger than the sum of its proper divisors (1).

26272387643 is an equidigital number, since it uses as much as digits as its factorization.

26272387643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 50.

The spelling of 26272387643 in words is "twenty-six billion, two hundred seventy-two million, three hundred eighty-seven thousand, six hundred forty-three".