34403000021 has 8 divisors (see below), whose sum is σ = 37058587104. Its totient is φ = 31748727600.

The previous prime is 34402999997. The next prime is 34403000041. The reversal of 34403000021 is 12000030443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34403000021 - 2¹⁸ = 34402737877 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 (34403000041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273971 + ... + 379296.

It is an arithmetic number, because the mean of its divisors is an integer number (4632323388).

Almost surely, 2^34403000021 is an apocalyptic number.

It is an amenable number.

34403000021 is a deficient number, since it is larger than the sum of its proper divisors (2655587083).

34403000021 is a wasteful number, since it uses less digits than its factorization.

34403000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657331.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 34403000021 its reverse (12000030443), we get a palindrome (46403030464).

The spelling of 34403000021 in words is "thirty-four billion, four hundred three million, twenty-one", and thus it is an aban number.