42739748718 has 16 divisors (see below), whose sum is σ = 85862816256. Its totient is φ = 14182696440.

The previous prime is 42739748707. The next prime is 42739748741. The reversal of 42739748718 is 81784793724.

It is a super-2 number, since 2×42739748718² (a number of 22 digits) contains 22 as substring.

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, 15970168 + ... + 15972843.

It is an arithmetic number, because the mean of its divisors is an integer number (5366426016).

Almost surely, 2^42739748718 is an apocalyptic number.

42739748718 is an abundant number, since it is smaller than the sum of its proper divisors (43123067538).

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

42739748718 is a wasteful number, since it uses less digits than its factorization.

42739748718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31943239.

The product of its digits is 18966528, while the sum is 60.

The spelling of 42739748718 in words is "forty-two billion, seven hundred thirty-nine million, seven hundred forty-eight thousand, seven hundred eighteen".