20045310539 has 2 divisors, whose sum is σ = 20045310540. Its totient is φ = 20045310538.

The previous prime is 20045310529. The next prime is 20045310547. The reversal of 20045310539 is 93501354002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20045310539 is a prime.

It is a super-3 number, since 3×20045310539³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20045310529) 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, 10022655269 + 10022655270.

It is an arithmetic number, because the mean of its divisors is an integer number (10022655270).

Almost surely, 2^20045310539 is an apocalyptic number.

20045310539 is a deficient number, since it is larger than the sum of its proper divisors (1).

20045310539 is an equidigital number, since it uses as much as digits as its factorization.

20045310539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 20045310539 in words is "twenty billion, forty-five million, three hundred ten thousand, five hundred thirty-nine".