3619862064 has 720 divisors, whose sum is σ = 13995770880. Its totient is φ = 862202880.

The previous prime is 3619862053. The next prime is 3619862089. The reversal of 3619862064 is 4602689163.

3619862064 is a `hidden beast` number, since 3 + 6 + 19 + 8 + 620 + 6 + 4 = 666.

3619862064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 54027759 + ... + 54027825.

Almost surely, 2^3619862064 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 3619862064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6997885440).

3619862064 is an abundant number, since it is smaller than the sum of its proper divisors (10375908816).

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

3619862064 is a wasteful number, since it uses less digits than its factorization.

3619862064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 3619862064 is about 60165.2895280992. The cubic root of 3619862064 is about 1535.4323056724.

The spelling of 3619862064 in words is "three billion, six hundred nineteen million, eight hundred sixty-two thousand, sixty-four".