26205943007 has 2 divisors, whose sum is σ = 26205943008. Its totient is φ = 26205943006.

The previous prime is 26205942989. The next prime is 26205943051. The reversal of 26205943007 is 70034950262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26205943007 - 2²⁰ = 26204894431 is a prime.

It is a super-2 number, since 2×26205943007² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26205943807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13102971503 + 13102971504.

It is an arithmetic number, because the mean of its divisors is an integer number (13102971504).

Almost surely, 2^26205943007 is an apocalyptic number.

26205943007 is a deficient number, since it is larger than the sum of its proper divisors (1).

26205943007 is an equidigital number, since it uses as much as digits as its factorization.

26205943007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 26205943007 in words is "twenty-six billion, two hundred five million, nine hundred forty-three thousand, seven".