26413362461 has 4 divisors (see below), whose sum is σ = 26590633500. Its totient is φ = 26236091424.

The previous prime is 26413362439. The next prime is 26413362499. The reversal of 26413362461 is 16426331462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16426331462 = 2 ⋅8213165731.

It can be written as a sum of positive squares in 2 ways, for example, as 944394361 + 25468968100 = 30731^2 + 159590^2 .

It is a cyclic number.

It is not a de Polignac number, because 26413362461 - 2¹⁴ = 26413346077 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 (26413322461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88635296 + ... + 88635593.

It is an arithmetic number, because the mean of its divisors is an integer number (6647658375).

Almost surely, 2^26413362461 is an apocalyptic number.

It is an amenable number.

26413362461 is a deficient number, since it is larger than the sum of its proper divisors (177271039).

26413362461 is a wasteful number, since it uses less digits than its factorization.

26413362461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177271038.

The product of its digits is 124416, while the sum is 38.

The spelling of 26413362461 in words is "twenty-six billion, four hundred thirteen million, three hundred sixty-two thousand, four hundred sixty-one".