42870251089 has 8 divisors (see below), whose sum is σ = 43360859880. Its totient is φ = 42381593856.

The previous prime is 42870251027. The next prime is 42870251107. The reversal of 42870251089 is 98015207824.

42870251089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 282912400 + 42587338689 = 16820^2 + 206367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42870251089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42870251989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443682 + ... + 531595.

It is an arithmetic number, because the mean of its divisors is an integer number (5420107485).

Almost surely, 2^42870251089 is an apocalyptic number.

It is an amenable number.

42870251089 is a deficient number, since it is larger than the sum of its proper divisors (490608791).

42870251089 is a wasteful number, since it uses less digits than its factorization.

42870251089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975779.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 42870251089 in words is "forty-two billion, eight hundred seventy million, two hundred fifty-one thousand, eighty-nine".