26242346651 has 4 divisors (see below), whose sum is σ = 26243319312. Its totient is φ = 26241373992.

The previous prime is 26242346623. The next prime is 26242346653. The reversal of 26242346651 is 15664324262.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26242346651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26242346599 and 26242346608.

It is not an unprimeable number, because it can be changed into a prime (26242346653) 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, 444671 + ... + 500216.

It is an arithmetic number, because the mean of its divisors is an integer number (6560829828).

Almost surely, 2^26242346651 is an apocalyptic number.

26242346651 is a deficient number, since it is larger than the sum of its proper divisors (972661).

26242346651 is an equidigital number, since it uses as much as digits as its factorization.

26242346651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972660.

The product of its digits is 414720, while the sum is 41.

The spelling of 26242346651 in words is "twenty-six billion, two hundred forty-two million, three hundred forty-six thousand, six hundred fifty-one".