34442423021 has 4 divisors (see below), whose sum is σ = 34554613632. Its totient is φ = 34330232412.

The previous prime is 34442422997. The next prime is 34442423101. The reversal of 34442423021 is 12032424443.

34442423021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 34442423021 - 2¹⁰ = 34442421997 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 (34442423921) 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, 56094845 + ... + 56095458.

It is an arithmetic number, because the mean of its divisors is an integer number (8638653408).

Almost surely, 2^34442423021 is an apocalyptic number.

It is an amenable number.

34442423021 is a deficient number, since it is larger than the sum of its proper divisors (112190611).

34442423021 is a wasteful number, since it uses less digits than its factorization.

34442423021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112190610.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 34442423021 its reverse (12032424443), we get a palindrome (46474847464).

The spelling of 34442423021 in words is "thirty-four billion, four hundred forty-two million, four hundred twenty-three thousand, twenty-one".