42429413617 has 4 divisors (see below), whose sum is σ = 42763503616. Its totient is φ = 42095323620.

The previous prime is 42429413597. The next prime is 42429413639. The reversal of 42429413617 is 71631492424.

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 42429413617 - 2¹¹ = 42429411569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42429413687) 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, 167044809 + ... + 167045062.

It is an arithmetic number, because the mean of its divisors is an integer number (10690875904).

Almost surely, 2^42429413617 is an apocalyptic number.

It is an amenable number.

42429413617 is a deficient number, since it is larger than the sum of its proper divisors (334089999).

42429413617 is a wasteful number, since it uses less digits than its factorization.

42429413617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334089998.

The product of its digits is 290304, while the sum is 43.

The spelling of 42429413617 in words is "forty-two billion, four hundred twenty-nine million, four hundred thirteen thousand, six hundred seventeen".