3674641489920 has 1792 divisors, whose sum is σ = 14856995635200. Its totient is φ = 866843099136.

The previous prime is 3674641489891. The next prime is 3674641489943. The reversal of 3674641489920 is 299841464763.

It is a happy number.

3674641489920 is a `hidden beast` number, since 3 + 6 + 7 + 4 + 64 + 1 + 489 + 92 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 28934184897 + ... + 28934185023.

Almost surely, 2^{3674641489920} is an apocalyptic number.

3674641489920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3674641489920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7428497817600).

3674641489920 is an abundant number, since it is smaller than the sum of its proper divisors (11182354145280).

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

3674641489920 is an equidigital number, since it uses as much as digits as its factorization.

3674641489920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 3674641489920 in words is "three trillion, six hundred seventy-four billion, six hundred forty-one million, four hundred eighty-nine thousand, nine hundred twenty".