34343315421 has 16 divisors (see below), whose sum is σ = 47837454336. Its totient is φ = 21874670576.

The previous prime is 34343315417. The next prime is 34343315443. The reversal of 34343315421 is 12451334343.

It is a cyclic number.

It is not a de Polignac number, because 34343315421 - 2² = 34343315417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34343311421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228825 + ... + 347918.

It is an arithmetic number, because the mean of its divisors is an integer number (2989840896).

Almost surely, 2^34343315421 is an apocalyptic number.

It is an amenable number.

34343315421 is a deficient number, since it is larger than the sum of its proper divisors (13494138915).

34343315421 is a wasteful number, since it uses less digits than its factorization.

34343315421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577632.

The product of its digits is 51840, while the sum is 33.

Adding to 34343315421 its reverse (12451334343), we get a palindrome (46794649764).

The spelling of 34343315421 in words is "thirty-four billion, three hundred forty-three million, three hundred fifteen thousand, four hundred twenty-one".