42939619436 has 18 divisors (see below), whose sum is σ = 87412797108. Its totient is φ = 18402693960.

The previous prime is 42939619417. The next prime is 42939619453. The reversal of 42939619436 is 63491693924.

It is a super-3 number, since 3×42939619436³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109539650 + ... + 109540041.

It is an arithmetic number, because the mean of its divisors is an integer number (4856266506).

Almost surely, 2^42939619436 is an apocalyptic number.

It is an amenable number.

42939619436 is an abundant number, since it is smaller than the sum of its proper divisors (44473177672).

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

42939619436 is a wasteful number, since it uses less digits than its factorization.

42939619436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219079709 (or 219079700 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 56.

The spelling of 42939619436 in words is "forty-two billion, nine hundred thirty-nine million, six hundred nineteen thousand, four hundred thirty-six".