42642335999 has 8 divisors (see below), whose sum is σ = 42963746448. Its totient is φ = 42321072960.

The previous prime is 42642335977. The next prime is 42642336001. The reversal of 42642335999 is 99953324624.

It is a happy number.

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 42642335999 - 2²⁴ = 42625558783 is a prime.

It is a super-2 number, since 2×42642335999² (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 (42642335909) 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, 582929 + ... + 651989.

It is an arithmetic number, because the mean of its divisors is an integer number (5370468306).

Almost surely, 2^42642335999 is an apocalyptic number.

42642335999 is a deficient number, since it is larger than the sum of its proper divisors (321410449).

42642335999 is a wasteful number, since it uses less digits than its factorization.

42642335999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73705.

The product of its digits is 12597120, while the sum is 56.

The spelling of 42642335999 in words is "forty-two billion, six hundred forty-two million, three hundred thirty-five thousand, nine hundred ninety-nine".