42394549686 has 16 divisors (see below), whose sum is σ = 84800694000. Its totient is φ = 14129584128.

The previous prime is 42394549679. The next prime is 42394549699. The reversal of 42394549686 is 68694549324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435211 + ... + 523638.

It is an arithmetic number, because the mean of its divisors is an integer number (5300043375).

Almost surely, 2^42394549686 is an apocalyptic number.

42394549686 is an abundant number, since it is smaller than the sum of its proper divisors (42406144314).

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

42394549686 is a wasteful number, since it uses less digits than its factorization.

42394549686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966223.

The product of its digits is 44789760, while the sum is 60.

The spelling of 42394549686 in words is "forty-two billion, three hundred ninety-four million, five hundred forty-nine thousand, six hundred eighty-six".