42576839999 has 4 divisors (see below), whose sum is σ = 42967453320. Its totient is φ = 42186226680.

The previous prime is 42576839993. The next prime is 42576840067. The reversal of 42576839999 is 99993867524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42576839999 - 2⁸ = 42576839743 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 (42576839993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195306497 + ... + 195306714.

It is an arithmetic number, because the mean of its divisors is an integer number (10741863330).

Almost surely, 2^42576839999 is an apocalyptic number.

42576839999 is a deficient number, since it is larger than the sum of its proper divisors (390613321).

42576839999 is a wasteful number, since it uses less digits than its factorization.

42576839999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390613320.

The product of its digits is 264539520, while the sum is 71.

The spelling of 42576839999 in words is "forty-two billion, five hundred seventy-six million, eight hundred thirty-nine thousand, nine hundred ninety-nine".