26342620503653 has 2 divisors, whose sum is σ = 26342620503654. Its totient is φ = 26342620503652.

The previous prime is 26342620503631. The next prime is 26342620503739. The reversal of 26342620503653 is 35630502624362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24607770626884 + 1734849876769 = 4960622^2 + 1317137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26342620503653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26342620503598 and 26342620503607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26342620533653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13171310251826 + 13171310251827.

It is an arithmetic number, because the mean of its divisors is an integer number (13171310251827).

Almost surely, 2^{26342620503653} is an apocalyptic number.

It is an amenable number.

26342620503653 is a deficient number, since it is larger than the sum of its proper divisors (1).

26342620503653 is an equidigital number, since it uses as much as digits as its factorization.

26342620503653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 47.

The spelling of 26342620503653 in words is "twenty-six trillion, three hundred forty-two billion, six hundred twenty million, five hundred three thousand, six hundred fifty-three".