3421406243525 has 6 divisors (see below), whose sum is σ = 4242543742002. Its totient is φ = 2737124994800.

The previous prime is 3421406243491. The next prime is 3421406243557. The reversal of 3421406243525 is 5253426041243.

3421406243525 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 3 ways, for example, as 790930971649 + 2630475271876 = 889343^2 + 1621874^2 .

It is not a de Polignac number, because 3421406243525 - 2⁶ = 3421406243461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68428124846 + ... + 68428124895.

It is an arithmetic number, because the mean of its divisors is an integer number (707090623667).

Almost surely, 2^{3421406243525} is an apocalyptic number.

It is an amenable number.

3421406243525 is a deficient number, since it is larger than the sum of its proper divisors (821137498477).

3421406243525 is a wasteful number, since it uses less digits than its factorization.

3421406243525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136856249751 (or 136856249746 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 3421406243525 in words is "three trillion, four hundred twenty-one billion, four hundred six million, two hundred forty-three thousand, five hundred twenty-five".