4047960649 has 8 divisors (see below), whose sum is σ = 4055613120. Its totient is φ = 4040317776.

The previous prime is 4047960643. The next prime is 4047960743. The reversal of 4047960649 is 9460697404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4047960649 - 2¹¹ = 4047958601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4047960643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2264334 + ... + 2266120.

It is an arithmetic number, because the mean of its divisors is an integer number (506951640).

Almost surely, 2^4047960649 is an apocalyptic number.

It is an amenable number.

4047960649 is a deficient number, since it is larger than the sum of its proper divisors (7652471).

4047960649 is a wasteful number, since it uses less digits than its factorization.

4047960649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4799.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 4047960649 is about 63623.5856345742. The cubic root of 4047960649 is about 1593.7202614694.

The spelling of 4047960649 in words is "four billion, forty-seven million, nine hundred sixty thousand, six hundred forty-nine".