34240210421 has 4 divisors (see below), whose sum is σ = 34244108832. Its totient is φ = 34236312012.

The previous prime is 34240210393. The next prime is 34240210429. The reversal of 34240210421 is 12401204243.

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 a de Polignac number, because none of the positive numbers 2^k-34240210421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34240210429) 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, 1936001 + ... + 1953606.

It is an arithmetic number, because the mean of its divisors is an integer number (8561027208).

Almost surely, 2^34240210421 is an apocalyptic number.

It is an amenable number.

34240210421 is a deficient number, since it is larger than the sum of its proper divisors (3898411).

34240210421 is an equidigital number, since it uses as much as digits as its factorization.

34240210421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898410.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 34240210421 its reverse (12401204243), we get a palindrome (46641414664).

The spelling of 34240210421 in words is "thirty-four billion, two hundred forty million, two hundred ten thousand, four hundred twenty-one".