3694561989930 has 192 divisors, whose sum is σ = 11362183372800. Its totient is φ = 815072388480.

The previous prime is 3694561989929. The next prime is 3694561989967. The reversal of 3694561989930 is 399891654963.

3694561989930 is a `hidden beast` number, since 3 + 6 + 9 + 456 + 1 + 9 + 89 + 93 + 0 = 666.

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 95 ways as a sum of consecutive naturals, for example, 7152301 + ... + 7651439.

It is an arithmetic number, because the mean of its divisors is an integer number (59178038400).

Almost surely, 2^{3694561989930} is an apocalyptic number.

3694561989930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3694561989930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5681091686400).

3694561989930 is an abundant number, since it is smaller than the sum of its proper divisors (7667621382870).

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

3694561989930 is a wasteful number, since it uses less digits than its factorization.

3694561989930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499569 (or 499566 counting only the distinct ones).

The product of its (nonzero) digits is 340122240, while the sum is 72.

The spelling of 3694561989930 in words is "three trillion, six hundred ninety-four billion, five hundred sixty-one million, nine hundred eighty-nine thousand, nine hundred thirty".