34401065321 has 4 divisors (see below), whose sum is σ = 39315503232. Its totient is φ = 29486627412.

The previous prime is 34401065297. The next prime is 34401065327. The reversal of 34401065321 is 12356010443.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12356010443 = 7 ⋅1765144349.

It is a cyclic number.

It is not a de Polignac number, because 34401065321 - 2²² = 34396871017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34401065327) 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, 2457218945 + ... + 2457218958.

It is an arithmetic number, because the mean of its divisors is an integer number (9828875808).

Almost surely, 2^34401065321 is an apocalyptic number.

It is an amenable number.

34401065321 is a deficient number, since it is larger than the sum of its proper divisors (4914437911).

34401065321 is an equidigital number, since it uses as much as digits as its factorization.

34401065321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914437910.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 34401065321 its reverse (12356010443), we get a palindrome (46757075764).

The spelling of 34401065321 in words is "thirty-four billion, four hundred one million, sixty-five thousand, three hundred twenty-one".