34346670021 has 24 divisors (see below), whose sum is σ = 49940326176. Its totient is φ = 22746316320.

The previous prime is 34346669977. The next prime is 34346670037. The reversal of 34346670021 is 12007664343.

It is a happy number.

It is not a de Polignac number, because 34346670021 - 2¹⁰ = 34346668997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34346670121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4002091 + ... + 4010663.

It is an arithmetic number, because the mean of its divisors is an integer number (2080846924).

Almost surely, 2^34346670021 is an apocalyptic number.

It is an amenable number.

34346670021 is a deficient number, since it is larger than the sum of its proper divisors (15593656155).

34346670021 is a wasteful number, since it uses less digits than its factorization.

34346670021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11473 (or 11470 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 34346670021 in words is "thirty-four billion, three hundred forty-six million, six hundred seventy thousand, twenty-one".