26218358963 has 2 divisors, whose sum is σ = 26218358964. Its totient is φ = 26218358962.

The previous prime is 26218358939. The next prime is 26218358993. The reversal of 26218358963 is 36985381262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26218358963 - 2¹⁰ = 26218357939 is a prime.

It is not a weakly prime, because it can be changed into another prime (26218358993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13109179481 + 13109179482.

It is an arithmetic number, because the mean of its divisors is an integer number (13109179482).

Almost surely, 2^26218358963 is an apocalyptic number.

26218358963 is a deficient number, since it is larger than the sum of its proper divisors (1).

26218358963 is an equidigital number, since it uses as much as digits as its factorization.

26218358963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 53.

The spelling of 26218358963 in words is "twenty-six billion, two hundred eighteen million, three hundred fifty-eight thousand, nine hundred sixty-three".