3561034893820 has 24 divisors (see below), whose sum is σ = 7511707695744. Its totient is φ = 1418026449216.

The previous prime is 3561034893811. The next prime is 3561034893847. The reversal of 3561034893820 is 283984301653.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399214699 + ... + 399223618.

It is an arithmetic number, because the mean of its divisors is an integer number (312987820656).

Almost surely, 2^{3561034893820} is an apocalyptic number.

It is an amenable number.

3561034893820 is an abundant number, since it is smaller than the sum of its proper divisors (3950672801924).

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

3561034893820 is a wasteful number, since it uses less digits than its factorization.

3561034893820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798438549 (or 798438547 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 3561034893820 in words is "three trillion, five hundred sixty-one billion, thirty-four million, eight hundred ninety-three thousand, eight hundred twenty".