3428574635521 has 48 divisors (see below), whose sum is σ = 4399917967872. Its totient is φ = 2651668185600.

The previous prime is 3428574635483. The next prime is 3428574635527. The reversal of 3428574635521 is 1255364758243.

It is not a de Polignac number, because 3428574635521 - 2¹⁷ = 3428574504449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3428574635527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2142631 + ... + 3383491.

It is an arithmetic number, because the mean of its divisors is an integer number (91664957664).

Almost surely, 2^{3428574635521} is an apocalyptic number.

3428574635521 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3428574635521 is a deficient number, since it is larger than the sum of its proper divisors (971343332351).

3428574635521 is a wasteful number, since it uses less digits than its factorization.

3428574635521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241030 (or 1241023 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 55.

The spelling of 3428574635521 in words is "three trillion, four hundred twenty-eight billion, five hundred seventy-four million, six hundred thirty-five thousand, five hundred twenty-one".