3504430054521 has 128 divisors (see below), whose sum is σ = 5901742080000. Its totient is φ = 2036030515200.

The previous prime is 3504430054469. The next prime is 3504430054547. The reversal of 3504430054521 is 1254500344053.

3504430054521 is a `hidden beast` number, since 3 + 50 + 4 + 4 + 30 + 0 + 54 + 521 = 666.

It is not a de Polignac number, because 3504430054521 - 2¹⁰ = 3504430053497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3504430054561) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 426896865 + ... + 426905073.

It is an arithmetic number, because the mean of its divisors is an integer number (46107360000).

Almost surely, 2^{3504430054521} is an apocalyptic number.

3504430054521 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3504430054521 is a deficient number, since it is larger than the sum of its proper divisors (2397312025479).

3504430054521 is a wasteful number, since it uses less digits than its factorization.

3504430054521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8692 (or 8686 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 3504430054521 its reverse (1254500344053), we get a palindrome (4758930398574).

The spelling of 3504430054521 in words is "three trillion, five hundred four billion, four hundred thirty million, fifty-four thousand, five hundred twenty-one".