42239981767 has 8 divisors (see below), whose sum is σ = 43830853632. Its totient is φ = 40663378200.

The previous prime is 42239981759. The next prime is 42239981789. The reversal of 42239981767 is 76718993224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42239981767 - 2³ = 42239981759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42239981717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3561043 + ... + 3572884.

It is an arithmetic number, because the mean of its divisors is an integer number (5478856704).

Almost surely, 2^42239981767 is an apocalyptic number.

42239981767 is a deficient number, since it is larger than the sum of its proper divisors (1590871865).

42239981767 is a wasteful number, since it uses less digits than its factorization.

42239981767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7134149.

The product of its digits is 9144576, while the sum is 58.

The spelling of 42239981767 in words is "forty-two billion, two hundred thirty-nine million, nine hundred eighty-one thousand, seven hundred sixty-seven".