26505625843 has 2 divisors, whose sum is σ = 26505625844. Its totient is φ = 26505625842.

The previous prime is 26505625733. The next prime is 26505625847. The reversal of 26505625843 is 34852650562.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26505625843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26505625793 and 26505625802.

It is not a weakly prime, because it can be changed into another prime (26505625847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13252812921 + 13252812922.

It is an arithmetic number, because the mean of its divisors is an integer number (13252812922).

Almost surely, 2^26505625843 is an apocalyptic number.

26505625843 is a deficient number, since it is larger than the sum of its proper divisors (1).

26505625843 is an equidigital number, since it uses as much as digits as its factorization.

26505625843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 26505625843 in words is "twenty-six billion, five hundred five million, six hundred twenty-five thousand, eight hundred forty-three".