3421661630628 has 24 divisors (see below), whose sum is σ = 8046742316032. Its totient is φ = 1131573137184.

The previous prime is 3421661630567. The next prime is 3421661630633. The reversal of 3421661630628 is 8260361661243.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1122590875 + ... + 1122593922.

Almost surely, 2^{3421661630628} is an apocalyptic number.

It is an amenable number.

3421661630628 is an abundant number, since it is smaller than the sum of its proper divisors (4625080685404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3421661630628 is a wasteful number, since it uses less digits than its factorization.

3421661630628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245184931 (or 2245184929 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 3421661630628 in words is "three trillion, four hundred twenty-one billion, six hundred sixty-one million, six hundred thirty thousand, six hundred twenty-eight".