42211563539 has 2 divisors, whose sum is σ = 42211563540. Its totient is φ = 42211563538.

The previous prime is 42211563439. The next prime is 42211563551. The reversal of 42211563539 is 93536511224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42211563539 - 2³² = 37916596243 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 42211563496 and 42211563505.

It is not a weakly prime, because it can be changed into another prime (42211563599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21105781769 + 21105781770.

It is an arithmetic number, because the mean of its divisors is an integer number (21105781770).

Almost surely, 2^42211563539 is an apocalyptic number.

42211563539 is a deficient number, since it is larger than the sum of its proper divisors (1).

42211563539 is an equidigital number, since it uses as much as digits as its factorization.

42211563539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 41.

The spelling of 42211563539 in words is "forty-two billion, two hundred eleven million, five hundred sixty-three thousand, five hundred thirty-nine".