42789366431 has 8 divisors (see below), whose sum is σ = 50223812640. Its totient is φ = 35685340128.

The previous prime is 42789366427. The next prime is 42789366449. The reversal of 42789366431 is 13466398724.

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 42789366431 - 2² = 42789366427 is a prime.

It is a super-2 number, since 2×42789366431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42789366481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82604696 + ... + 82605213.

It is an arithmetic number, because the mean of its divisors is an integer number (6277976580).

Almost surely, 2^42789366431 is an apocalyptic number.

42789366431 is a deficient number, since it is larger than the sum of its proper divisors (7434446209).

42789366431 is a wasteful number, since it uses less digits than its factorization.

42789366431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165209953.

The product of its digits is 5225472, while the sum is 53.

The spelling of 42789366431 in words is "forty-two billion, seven hundred eighty-nine million, three hundred sixty-six thousand, four hundred thirty-one".