20426614106579 has 2 divisors, whose sum is σ = 20426614106580. Its totient is φ = 20426614106578.

The previous prime is 20426614106527. The next prime is 20426614106593. The reversal of 20426614106579 is 97560141662402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20426614106579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20426614106579.

It is not a weakly prime, because it can be changed into another prime (20426614106879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10213307053289 + 10213307053290.

It is an arithmetic number, because the mean of its divisors is an integer number (10213307053290).

Almost surely, 2^{20426614106579} is an apocalyptic number.

20426614106579 is a deficient number, since it is larger than the sum of its proper divisors (1).

20426614106579 is an equidigital number, since it uses as much as digits as its factorization.

20426614106579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 20426614106579 in words is "twenty trillion, four hundred twenty-six billion, six hundred fourteen million, one hundred six thousand, five hundred seventy-nine".