26250474907 has 2 divisors, whose sum is σ = 26250474908. Its totient is φ = 26250474906.

The previous prime is 26250474883. The next prime is 26250474919. The reversal of 26250474907 is 70947405262.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26250474907 - 2¹⁵ = 26250442139 is a prime.

It is not a weakly prime, because it can be changed into another prime (26250474937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13125237453 + 13125237454.

It is an arithmetic number, because the mean of its divisors is an integer number (13125237454).

Almost surely, 2^26250474907 is an apocalyptic number.

26250474907 is a deficient number, since it is larger than the sum of its proper divisors (1).

26250474907 is an equidigital number, since it uses as much as digits as its factorization.

26250474907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 26250474907 in words is "twenty-six billion, two hundred fifty million, four hundred seventy-four thousand, nine hundred seven".