4644779973 has 8 divisors (see below), whose sum is σ = 6193431936. Its totient is φ = 3096324000.

The previous prime is 4644779969. The next prime is 4644779981. The reversal of 4644779973 is 3799774464.

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

It is not a de Polignac number, because 4644779973 - 2² = 4644779969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644779903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20308 + ... + 98498.

It is an arithmetic number, because the mean of its divisors is an integer number (774178992).

Almost surely, 2^4644779973 is an apocalyptic number.

It is an amenable number.

4644779973 is a deficient number, since it is larger than the sum of its proper divisors (1548651963).

4644779973 is a wasteful number, since it uses less digits than its factorization.

4644779973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97995.

The product of its digits is 32006016, while the sum is 60.

The square root of 4644779973 is about 68152.6226421258. The cubic root of 4644779973 is about 1668.4827283044.

The spelling of 4644779973 in words is "four billion, six hundred forty-four million, seven hundred seventy-nine thousand, nine hundred seventy-three".