34042052921 has 4 divisors (see below), whose sum is σ = 34048086912. Its totient is φ = 34036018932.

The previous prime is 34042052899. The next prime is 34042052923. The reversal of 34042052921 is 12925024043.

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 34042052921 - 2⁶ = 34042052857 is a prime.

It is a super-2 number, since 2×34042052921² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34042052923) 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, 3008525 + ... + 3019818.

It is an arithmetic number, because the mean of its divisors is an integer number (8512021728).

Almost surely, 2^34042052921 is an apocalyptic number.

It is an amenable number.

34042052921 is a deficient number, since it is larger than the sum of its proper divisors (6033991).

34042052921 is an equidigital number, since it uses as much as digits as its factorization.

34042052921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033990.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 34042052921 its reverse (12925024043), we get a palindrome (46967076964).

The spelling of 34042052921 in words is "thirty-four billion, forty-two million, fifty-two thousand, nine hundred twenty-one".