34443200021421 has 16 divisors (see below), whose sum is σ = 45942177523328. Its totient is φ = 22953179563200.

The previous prime is 34443200021317. The next prime is 34443200021429. The reversal of 34443200021421 is 12412000234443.

It is not a de Polignac number, because 34443200021421 - 2¹⁴ = 34443200005037 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 (34443200021429) 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, 86739951 + ... + 87136131.

It is an arithmetic number, because the mean of its divisors is an integer number (2871386095208).

Almost surely, 2^{34443200021421} is an apocalyptic number.

It is an amenable number.

34443200021421 is a deficient number, since it is larger than the sum of its proper divisors (11498977501907).

34443200021421 is a wasteful number, since it uses less digits than its factorization.

34443200021421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407412.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 34443200021421 its reverse (12412000234443), we get a palindrome (46855200255864).

The spelling of 34443200021421 in words is "thirty-four trillion, four hundred forty-three billion, two hundred million, twenty-one thousand, four hundred twenty-one".