26241651647 has 2 divisors, whose sum is σ = 26241651648. Its totient is φ = 26241651646.

The previous prime is 26241651641. The next prime is 26241651701. The reversal of 26241651647 is 74615614262.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26241651647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26241651598 and 26241651607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26241651641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13120825823 + 13120825824.

It is an arithmetic number, because the mean of its divisors is an integer number (13120825824).

Almost surely, 2^26241651647 is an apocalyptic number.

26241651647 is a deficient number, since it is larger than the sum of its proper divisors (1).

26241651647 is an equidigital number, since it uses as much as digits as its factorization.

26241651647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 44.

The spelling of 26241651647 in words is "twenty-six billion, two hundred forty-one million, six hundred fifty-one thousand, six hundred forty-seven".