34433403421 has 4 divisors (see below), whose sum is σ = 35083090332. Its totient is φ = 33783716512.

The previous prime is 34433403377. The next prime is 34433403427. The reversal of 34433403421 is 12430433443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12430433443 = 449 ⋅27684707.

It can be written as a sum of positive squares in 2 ways, for example, as 17976105625 + 16457297796 = 134075^2 + 128286^2 .

It is a cyclic number.

It is not a de Polignac number, because 34433403421 - 2²⁷ = 34299185693 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 (34433403427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324843376 + ... + 324843481.

It is an arithmetic number, because the mean of its divisors is an integer number (8770772583).

Almost surely, 2^34433403421 is an apocalyptic number.

It is an amenable number.

34433403421 is a deficient number, since it is larger than the sum of its proper divisors (649686911).

34433403421 is an equidigital number, since it uses as much as digits as its factorization.

34433403421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649686910.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 34433403421 its reverse (12430433443), we get a palindrome (46863836864).

The spelling of 34433403421 in words is "thirty-four billion, four hundred thirty-three million, four hundred three thousand, four hundred twenty-one".