42819385089 has 16 divisors (see below), whose sum is σ = 61494401024. Its totient is φ = 26346038400.

The previous prime is 42819385019. The next prime is 42819385117. The reversal of 42819385089 is 98058391824.

It is a happy number.

It is not a de Polignac number, because 42819385089 - 2⁷ = 42819384961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42819385009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157029 + ... + 332109.

It is an arithmetic number, because the mean of its divisors is an integer number (3843400064).

Almost surely, 2^42819385089 is an apocalyptic number.

It is an amenable number.

42819385089 is a deficient number, since it is larger than the sum of its proper divisors (18675015935).

42819385089 is a wasteful number, since it uses less digits than its factorization.

42819385089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181368.

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 42819385089 in words is "forty-two billion, eight hundred nineteen million, three hundred eighty-five thousand, eighty-nine".