42868901898 has 24 divisors (see below), whose sum is σ = 92889166500. Its totient is φ = 14288626944.

The previous prime is 42868901891. The next prime is 42868901939. The reversal of 42868901898 is 89810986824.

42868901898 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 2 ways, for example, as 41211842049 + 1657059849 = 203007^2 + 40707^2 .

It is not an unprimeable number, because it can be changed into a prime (42868901891) 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, 205588 + ... + 357776.

Almost surely, 2^42868901898 is an apocalyptic number.

42868901898 is an abundant number, since it is smaller than the sum of its proper divisors (50020264602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42868901898 is a wasteful number, since it uses less digits than its factorization.

42868901898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167846 (or 167843 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 63.

The spelling of 42868901898 in words is "forty-two billion, eight hundred sixty-eight million, nine hundred one thousand, eight hundred ninety-eight".