42625579441 has 4 divisors (see below), whose sum is σ = 42813357552. Its totient is φ = 42437801332.

The previous prime is 42625579429. The next prime is 42625579457. The reversal of 42625579441 is 14497552624.

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 42625579441 - 2⁹ = 42625578929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42625579141) 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, 93888715 + ... + 93889168.

It is an arithmetic number, because the mean of its divisors is an integer number (10703339388).

Almost surely, 2^42625579441 is an apocalyptic number.

It is an amenable number.

42625579441 is a deficient number, since it is larger than the sum of its proper divisors (187778111).

42625579441 is a wasteful number, since it uses less digits than its factorization.

42625579441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187778110.

The product of its digits is 2419200, while the sum is 49.

The spelling of 42625579441 in words is "forty-two billion, six hundred twenty-five million, five hundred seventy-nine thousand, four hundred forty-one".