20463355459 has 2 divisors, whose sum is σ = 20463355460. Its totient is φ = 20463355458.

The previous prime is 20463355453. The next prime is 20463355489. The reversal of 20463355459 is 95455336402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20463355459 - 2¹⁹ = 20462831171 is a prime.

It is not a weakly prime, because it can be changed into another prime (20463355453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10231677729 + 10231677730.

It is an arithmetic number, because the mean of its divisors is an integer number (10231677730).

Almost surely, 2^20463355459 is an apocalyptic number.

20463355459 is a deficient number, since it is larger than the sum of its proper divisors (1).

20463355459 is an equidigital number, since it uses as much as digits as its factorization.

20463355459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 20463355459 in words is "twenty billion, four hundred sixty-three million, three hundred fifty-five thousand, four hundred fifty-nine".