4589993694 has 96 divisors (see below), whose sum is σ = 10983513600. Its totient is φ = 1267418880.

The previous prime is 4589993687. The next prime is 4589993699. The reversal of 4589993694 is 4963999854.

It is a happy number.

It is a super-2 number, since 2×4589993694² = 42136084221919531272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4589993699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 878562 + ... + 883770.

It is an arithmetic number, because the mean of its divisors is an integer number (114411600).

Almost surely, 2^4589993694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4589993694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5491756800).

4589993694 is an abundant number, since it is smaller than the sum of its proper divisors (6393519906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4589993694 is a wasteful number, since it uses less digits than its factorization.

4589993694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5330 (or 5317 counting only the distinct ones).

The product of its digits is 75582720, while the sum is 66.

The square root of 4589993694 is about 67749.4922047391. The cubic root of 4589993694 is about 1661.8967159566.

The spelling of 4589993694 in words is "four billion, five hundred eighty-nine million, nine hundred ninety-three thousand, six hundred ninety-four".