26535413507 has 2 divisors, whose sum is σ = 26535413508. Its totient is φ = 26535413506.

The previous prime is 26535413497. The next prime is 26535413581. The reversal of 26535413507 is 70531453562.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26535413507 is a prime.

It is not a weakly prime, because it can be changed into another prime (26535413207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13267706753 + 13267706754.

It is an arithmetic number, because the mean of its divisors is an integer number (13267706754).

Almost surely, 2^26535413507 is an apocalyptic number.

26535413507 is a deficient number, since it is larger than the sum of its proper divisors (1).

26535413507 is an equidigital number, since it uses as much as digits as its factorization.

26535413507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 26535413507 in words is "twenty-six billion, five hundred thirty-five million, four hundred thirteen thousand, five hundred seven".