26478460601 has 4 divisors (see below), whose sum is σ = 26492391204. Its totient is φ = 26464530000.

The previous prime is 26478460583. The next prime is 26478460607. The reversal of 26478460601 is 10606487462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8372067001 + 18106393600 = 91499^2 + 134560^2 .

It is a cyclic number.

It is not a de Polignac number, because 26478460601 - 2⁶ = 26478460537 is a prime.

It is a super-2 number, since 2×26478460601² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26478460607) 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, 6962450 + ... + 6966251.

It is an arithmetic number, because the mean of its divisors is an integer number (6623097801).

Almost surely, 2^26478460601 is an apocalyptic number.

It is an amenable number.

26478460601 is a deficient number, since it is larger than the sum of its proper divisors (13930603).

26478460601 is a wasteful number, since it uses less digits than its factorization.

26478460601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13930602.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 26478460601 in words is "twenty-six billion, four hundred seventy-eight million, four hundred sixty thousand, six hundred one".