42231220519 has 2 divisors, whose sum is σ = 42231220520. Its totient is φ = 42231220518.

The previous prime is 42231220517. The next prime is 42231220573. The reversal of 42231220519 is 91502213224.

42231220519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42231220519 - 2¹ = 42231220517 is a prime.

It is a super-2 number, since 2×42231220519² (a number of 22 digits) contains 22 as substring.

Together with 42231220517, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42231220511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21115610259 + 21115610260.

It is an arithmetic number, because the mean of its divisors is an integer number (21115610260).

Almost surely, 2^42231220519 is an apocalyptic number.

42231220519 is a deficient number, since it is larger than the sum of its proper divisors (1).

42231220519 is an equidigital number, since it uses as much as digits as its factorization.

42231220519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 42231220519 in words is "forty-two billion, two hundred thirty-one million, two hundred twenty thousand, five hundred nineteen".