42251386089 has 12 divisors (see below), whose sum is σ = 61922142128. Its totient is φ = 25606900440.

The previous prime is 42251386087. The next prime is 42251386123. The reversal of 42251386089 is 98068315224.

It is not a de Polignac number, because 42251386089 - 2¹ = 42251386087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42251386087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58197139 + ... + 58197864.

Almost surely, 2^42251386089 is an apocalyptic number.

It is an amenable number.

42251386089 is a deficient number, since it is larger than the sum of its proper divisors (19670756039).

42251386089 is a wasteful number, since it uses less digits than its factorization.

42251386089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116395028 (or 116395017 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 42251386089 in words is "forty-two billion, two hundred fifty-one million, three hundred eighty-six thousand, eighty-nine".