3784949715648 has 28 divisors (see below), whose sum is σ = 10014346123160. Its totient is φ = 1261649905152.

The previous prime is 3784949715647. The next prime is 3784949715721. The reversal of 3784949715648 is 8465179494873.

It is a super-3 number, since 3×3784949715648³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3784949715648.

It is not an unprimeable number, because it can be changed into a prime (3784949715647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9856639693 + ... + 9856640076.

Almost surely, 2^{3784949715648} is an apocalyptic number.

It is an amenable number.

3784949715648 is an abundant number, since it is smaller than the sum of its proper divisors (6229396407512).

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

3784949715648 is a wasteful number, since it uses less digits than its factorization.

3784949715648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19713279784 (or 19713279774 counting only the distinct ones).

The product of its digits is 1463132160, while the sum is 75.

The spelling of 3784949715648 in words is "three trillion, seven hundred eighty-four billion, nine hundred forty-nine million, seven hundred fifteen thousand, six hundred forty-eight".