4649885987 has 4 divisors (see below), whose sum is σ = 4650251016. Its totient is φ = 4649520960.

The previous prime is 4649885953. The next prime is 4649886077. The reversal of 4649885987 is 7895889464.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4649885987 - 2⁸ = 4649885731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4649885587) 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, 162689 + ... + 189122.

It is an arithmetic number, because the mean of its divisors is an integer number (1162562754).

Almost surely, 2^4649885987 is an apocalyptic number.

4649885987 is a deficient number, since it is larger than the sum of its proper divisors (365029).

4649885987 is a wasteful number, since it uses less digits than its factorization.

4649885987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365028.

The product of its digits is 139345920, while the sum is 68.

The square root of 4649885987 is about 68190.0724959286. The cubic root of 4649885987 is about 1669.0938929786.

The spelling of 4649885987 in words is "four billion, six hundred forty-nine million, eight hundred eighty-five thousand, nine hundred eighty-seven".