4645773989 has 8 divisors (see below), whose sum is σ = 4735016352. Its totient is φ = 4556590480.

The previous prime is 4645773967. The next prime is 4645773997. The reversal of 4645773989 is 9893775464.

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

It is a cyclic number.

It is not a de Polignac number, because 4645773989 - 2¹² = 4645769893 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 (4645373989) 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, 165662 + ... + 191664.

It is an arithmetic number, because the mean of its divisors is an integer number (591877044).

Almost surely, 2^4645773989 is an apocalyptic number.

It is an amenable number.

4645773989 is a deficient number, since it is larger than the sum of its proper divisors (89242363).

4645773989 is a wasteful number, since it uses less digits than its factorization.

4645773989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29427.

The product of its digits is 45722880, while the sum is 62.

The square root of 4645773989 is about 68159.9148253576. The cubic root of 4645773989 is about 1668.6017422112.

The spelling of 4645773989 in words is "four billion, six hundred forty-five million, seven hundred seventy-three thousand, nine hundred eighty-nine".