26013360149 has 6 divisors (see below), whose sum is σ = 30260439414. Its totient is φ = 22297165800.

The previous prime is 26013360059. The next prime is 26013360167. The reversal of 26013360149 is 94106331062.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18958536100 + 7054824049 = 137690^2 + 83993^2 .

It is not a de Polignac number, because 26013360149 - 2²⁰ = 26012311573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26013360179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265442402 + ... + 265442499.

It is an arithmetic number, because the mean of its divisors is an integer number (5043406569).

Almost surely, 2^26013360149 is an apocalyptic number.

It is an amenable number.

26013360149 is a deficient number, since it is larger than the sum of its proper divisors (4247079265).

26013360149 is an equidigital number, since it uses as much as digits as its factorization.

26013360149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530884915 (or 530884908 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 26013360149 in words is "twenty-six billion, thirteen million, three hundred sixty thousand, one hundred forty-nine".