20034398963 has 2 divisors, whose sum is σ = 20034398964. Its totient is φ = 20034398962.

The previous prime is 20034398921. The next prime is 20034398977. The reversal of 20034398963 is 36989343002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20034398963 - 2²⁰ = 20033350387 is a prime.

It is not a weakly prime, because it can be changed into another prime (20034398903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017199481 + 10017199482.

It is an arithmetic number, because the mean of its divisors is an integer number (10017199482).

Almost surely, 2^20034398963 is an apocalyptic number.

20034398963 is a deficient number, since it is larger than the sum of its proper divisors (1).

20034398963 is an equidigital number, since it uses as much as digits as its factorization.

20034398963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 47.

The spelling of 20034398963 in words is "twenty billion, thirty-four million, three hundred ninety-eight thousand, nine hundred sixty-three".