20962789259 has 2 divisors, whose sum is σ = 20962789260. Its totient is φ = 20962789258.

The previous prime is 20962789231. The next prime is 20962789297. The reversal of 20962789259 is 95298726902.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20962789259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20962789198 and 20962789207.

It is not a weakly prime, because it can be changed into another prime (20962780259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10481394629 + 10481394630.

It is an arithmetic number, because the mean of its divisors is an integer number (10481394630).

Almost surely, 2^20962789259 is an apocalyptic number.

20962789259 is a deficient number, since it is larger than the sum of its proper divisors (1).

20962789259 is an equidigital number, since it uses as much as digits as its factorization.

20962789259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 20962789259 in words is "twenty billion, nine hundred sixty-two million, seven hundred eighty-nine thousand, two hundred fifty-nine".