26625639959 has 2 divisors, whose sum is σ = 26625639960. Its totient is φ = 26625639958.

The previous prime is 26625639913. The next prime is 26625640021. The reversal of 26625639959 is 95993652662.

It is an a-pointer prime, because the next prime (26625640021) can be obtained adding 26625639959 to its sum of digits (62).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26625639959 - 2²⁴ = 26608862743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26625639559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13312819979 + 13312819980.

It is an arithmetic number, because the mean of its divisors is an integer number (13312819980).

Almost surely, 2^26625639959 is an apocalyptic number.

26625639959 is a deficient number, since it is larger than the sum of its proper divisors (1).

26625639959 is an equidigital number, since it uses as much as digits as its factorization.

26625639959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47239200, while the sum is 62.

The spelling of 26625639959 in words is "twenty-six billion, six hundred twenty-five million, six hundred thirty-nine thousand, nine hundred fifty-nine".