3784191012 has 216 divisors, whose sum is σ = 12224721600. Its totient is φ = 979558272.

The previous prime is 3784191001. The next prime is 3784191071. The reversal of 3784191012 is 2101914873.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 768414 + ... + 773322.

Almost surely, 2^3784191012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3784191012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6112360800).

3784191012 is an abundant number, since it is smaller than the sum of its proper divisors (8440530588).

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

3784191012 is a wasteful number, since it uses less digits than its factorization.

3784191012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975 (or 4963 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 3784191012 is about 61515.7785612765. The cubic root of 3784191012 is about 1558.3237270464.

The spelling of 3784191012 in words is "three billion, seven hundred eighty-four million, one hundred ninety-one thousand, twelve".