4869887641 has 4 divisors (see below), whose sum is σ = 4887218484. Its totient is φ = 4852556800.

The previous prime is 4869887639. The next prime is 4869887651. The reversal of 4869887641 is 1467889684.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3516015616 + 1353872025 = 59296^2 + 36795^2 .

It is a cyclic number.

It is not a de Polignac number, because 4869887641 - 2¹ = 4869887639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4869887641.

It is not an unprimeable number, because it can be changed into a prime (4869887621) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8665000 + ... + 8665561.

It is an arithmetic number, because the mean of its divisors is an integer number (1221804621).

Almost surely, 2^4869887641 is an apocalyptic number.

It is an amenable number.

4869887641 is a deficient number, since it is larger than the sum of its proper divisors (17330843).

4869887641 is a wasteful number, since it uses less digits than its factorization.

4869887641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17330842.

The product of its digits is 18579456, while the sum is 61.

The square root of 4869887641 is about 69784.5802523738. The cubic root of 4869887641 is about 1695.0127931556.

The spelling of 4869887641 in words is "four billion, eight hundred sixty-nine million, eight hundred eighty-seven thousand, six hundred forty-one".