34421511421 has 32 divisors (see below), whose sum is σ = 38351646720. Its totient is φ = 30889615680.

The previous prime is 34421511407. The next prime is 34421511431. The reversal of 34421511421 is 12411512443.

It is a happy number.

34421511421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34421511421 - 2⁵ = 34421511389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34421511421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34421511431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45470575 + ... + 45471331.

It is an arithmetic number, because the mean of its divisors is an integer number (1198488960).

Almost surely, 2^34421511421 is an apocalyptic number.

It is an amenable number.

34421511421 is a deficient number, since it is larger than the sum of its proper divisors (3930135299).

34421511421 is a wasteful number, since it uses less digits than its factorization.

34421511421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 1164 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The spelling of 34421511421 in words is "thirty-four billion, four hundred twenty-one million, five hundred eleven thousand, four hundred twenty-one".