42391868716 has 24 divisors (see below), whose sum is σ = 78359773184. Its totient is φ = 20035164240.

The previous prime is 42391868699. The next prime is 42391868737. The reversal of 42391868716 is 61786819324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3969900 + ... + 3980563.

Almost surely, 2^42391868716 is an apocalyptic number.

It is an amenable number.

42391868716 is a deficient number, since it is larger than the sum of its proper divisors (35967904468).

42391868716 is a wasteful number, since it uses less digits than its factorization.

42391868716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7950541 (or 7950539 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The spelling of 42391868716 in words is "forty-two billion, three hundred ninety-one million, eight hundred sixty-eight thousand, seven hundred sixteen".