26540005631743 has 2 divisors, whose sum is σ = 26540005631744. Its totient is φ = 26540005631742.

The previous prime is 26540005631731. The next prime is 26540005631753. The reversal of 26540005631743 is 34713650004562.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26540005631743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26540005631693 and 26540005631702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26540005631753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13270002815871 + 13270002815872.

It is an arithmetic number, because the mean of its divisors is an integer number (13270002815872).

Almost surely, 2^{26540005631743} is an apocalyptic number.

26540005631743 is a deficient number, since it is larger than the sum of its proper divisors (1).

26540005631743 is an equidigital number, since it uses as much as digits as its factorization.

26540005631743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 26540005631743 in words is "twenty-six trillion, five hundred forty billion, five million, six hundred thirty-one thousand, seven hundred forty-three".