3421020105424 has 20 divisors (see below), whose sum is σ = 6644432399620. Its totient is φ = 1706327873280.

The previous prime is 3421020105407. The next prime is 3421020105431. The reversal of 3421020105424 is 4245010201243.

It can be written as a sum of positive squares in 2 ways, for example, as 3221450625600 + 199569479824 = 1794840^2 + 446732^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3421020105392 and 3421020105401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261379467 + ... + 261392554.

It is an arithmetic number, because the mean of its divisors is an integer number (332221619981).

Almost surely, 2^{3421020105424} is an apocalyptic number.

It is an amenable number.

3421020105424 is a deficient number, since it is larger than the sum of its proper divisors (3223412294196).

3421020105424 is a wasteful number, since it uses less digits than its factorization.

3421020105424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522772438 (or 522772432 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 3421020105424 its reverse (4245010201243), we get a palindrome (7666030306667).

The spelling of 3421020105424 in words is "three trillion, four hundred twenty-one billion, twenty million, one hundred five thousand, four hundred twenty-four".