42591334999 has 8 divisors (see below), whose sum is σ = 46056212928. Its totient is φ = 39233068800.

The previous prime is 42591334987. The next prime is 42591335057. The reversal of 42591334999 is 99943319524.

It is a happy number.

42591334999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42591334999 - 2¹¹ = 42591332951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42591334949) 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, 26652102 + ... + 26653699.

It is an arithmetic number, because the mean of its divisors is an integer number (5757026616).

Almost surely, 2^42591334999 is an apocalyptic number.

42591334999 is a deficient number, since it is larger than the sum of its proper divisors (3464877929).

42591334999 is a wasteful number, since it uses less digits than its factorization.

42591334999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53305865.

The product of its digits is 9447840, while the sum is 58.

The spelling of 42591334999 in words is "forty-two billion, five hundred ninety-one million, three hundred thirty-four thousand, nine hundred ninety-nine".