3403523515421 has 8 divisors (see below), whose sum is σ = 3640882646520. Its totient is φ = 3170292369408.

The previous prime is 3403523515363. The next prime is 3403523515439. The reversal of 3403523515421 is 1245153253043.

3403523515421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 304550563321 + 3098972952100 = 551861^2 + 1760390^2 .

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 3403523515421 - 2³⁸ = 3128645608477 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 (3403523515451) 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, 1031994566 + ... + 1031997863.

It is an arithmetic number, because the mean of its divisors is an integer number (455110330815).

Almost surely, 2^{3403523515421} is an apocalyptic number.

It is an amenable number.

3403523515421 is a deficient number, since it is larger than the sum of its proper divisors (237359131099).

3403523515421 is a wasteful number, since it uses less digits than its factorization.

3403523515421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063992543.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 3403523515421 its reverse (1245153253043), we get a palindrome (4648676768464).

The spelling of 3403523515421 in words is "three trillion, four hundred three billion, five hundred twenty-three million, five hundred fifteen thousand, four hundred twenty-one".