4644889061 has 8 divisors (see below), whose sum is σ = 4803258624. Its totient is φ = 4487052960.

The previous prime is 4644889033. The next prime is 4644889063. The reversal of 4644889061 is 1609884464.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4644889061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644889063) 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, 115616 + ... + 150521.

It is an arithmetic number, because the mean of its divisors is an integer number (600407328).

Almost surely, 2^4644889061 is an apocalyptic number.

It is an amenable number.

4644889061 is a deficient number, since it is larger than the sum of its proper divisors (158369563).

4644889061 is a wasteful number, since it uses less digits than its factorization.

4644889061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266731.

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 4644889061 is about 68153.4229587920. The cubic root of 4644889061 is about 1668.4957902808.

The spelling of 4644889061 in words is "four billion, six hundred forty-four million, eight hundred eighty-nine thousand, sixty-one".