220445531539 has 2 divisors, whose sum is σ = 220445531540. Its totient is φ = 220445531538.

The previous prime is 220445531531. The next prime is 220445531557. The reversal of 220445531539 is 935135544022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220445531539 - 2³ = 220445531531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220445531495 and 220445531504.

It is not a weakly prime, because it can be changed into another prime (220445531531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110222765769 + 110222765770.

It is an arithmetic number, because the mean of its divisors is an integer number (110222765770).

Almost surely, 2^220445531539 is an apocalyptic number.

220445531539 is a deficient number, since it is larger than the sum of its proper divisors (1).

220445531539 is an equidigital number, since it uses as much as digits as its factorization.

220445531539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 220445531539 in words is "two hundred twenty billion, four hundred forty-five million, five hundred thirty-one thousand, five hundred thirty-nine".