4334405404521 has 16 divisors (see below), whose sum is σ = 5786607697920. Its totient is φ = 2885903698320.

The previous prime is 4334405404517. The next prime is 4334405404523. The reversal of 4334405404521 is 1254045044334.

It is not a de Polignac number, because 4334405404521 - 2² = 4334405404517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4334405404521.

It is not an unprimeable number, because it can be changed into a prime (4334405404523) 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, 98132440 + ... + 98176598.

It is an arithmetic number, because the mean of its divisors is an integer number (361662981120).

Almost surely, 2^{4334405404521} is an apocalyptic number.

It is an amenable number.

4334405404521 is a deficient number, since it is larger than the sum of its proper divisors (1452202293399).

4334405404521 is a wasteful number, since it uses less digits than its factorization.

4334405404521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85316.

The product of its (nonzero) digits is 460800, while the sum is 39.

The spelling of 4334405404521 in words is "four trillion, three hundred thirty-four billion, four hundred five million, four hundred four thousand, five hundred twenty-one".