26642424413 has 4 divisors (see below), whose sum is σ = 29064463008. Its totient is φ = 24220385820.

The previous prime is 26642424337. The next prime is 26642424427. The reversal of 26642424413 is 31442424662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26642424413 - 2¹⁴ = 26642408029 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 (26642424433) 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, 1211019281 + ... + 1211019302.

It is an arithmetic number, because the mean of its divisors is an integer number (7266115752).

Almost surely, 2^26642424413 is an apocalyptic number.

It is an amenable number.

26642424413 is a deficient number, since it is larger than the sum of its proper divisors (2422038595).

26642424413 is a wasteful number, since it uses less digits than its factorization.

26642424413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422038594.

The product of its digits is 221184, while the sum is 38.

The spelling of 26642424413 in words is "twenty-six billion, six hundred forty-two million, four hundred twenty-four thousand, four hundred thirteen".