4659981641 has 4 divisors (see below), whose sum is σ = 5325693312. Its totient is φ = 3994269972.

The previous prime is 4659981617. The next prime is 4659981647. The reversal of 4659981641 is 1461899564.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4659981641 - 2⁶ = 4659981577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4659981647) 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, 332855825 + ... + 332855838.

It is an arithmetic number, because the mean of its divisors is an integer number (1331423328).

Almost surely, 2^4659981641 is an apocalyptic number.

It is an amenable number.

4659981641 is a deficient number, since it is larger than the sum of its proper divisors (665711671).

4659981641 is an equidigital number, since it uses as much as digits as its factorization.

4659981641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665711670.

The product of its digits is 1866240, while the sum is 53.

The square root of 4659981641 is about 68264.0581931663. The cubic root of 4659981641 is about 1670.3009773423.

The spelling of 4659981641 in words is "four billion, six hundred fifty-nine million, nine hundred eighty-one thousand, six hundred forty-one".