42576638513 has 4 divisors (see below), whose sum is σ = 42692651520. Its totient is φ = 42460625508.

The previous prime is 42576638497. The next prime is 42576638537. The reversal of 42576638513 is 31583667524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42576638513 - 2⁴ = 42576638497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42576638213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58005953 + ... + 58006686.

It is an arithmetic number, because the mean of its divisors is an integer number (10673162880).

Almost surely, 2^42576638513 is an apocalyptic number.

It is an amenable number.

42576638513 is a deficient number, since it is larger than the sum of its proper divisors (116013007).

42576638513 is a wasteful number, since it uses less digits than its factorization.

42576638513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116013006.

The product of its digits is 3628800, while the sum is 50.

The spelling of 42576638513 in words is "forty-two billion, five hundred seventy-six million, six hundred thirty-eight thousand, five hundred thirteen".