4997689000 has 32 divisors (see below), whose sum is σ = 11694594600. Its totient is φ = 1999075200.

The previous prime is 4997688967. The next prime is 4997689027. The reversal of 4997689000 is 9867994.

It can be written as a sum of positive squares in 4 ways, for example, as 820135044 + 4177553956 = 28638^2 + 64634^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2497845 + ... + 2499844.

Almost surely, 2^4997689000 is an apocalyptic number.

4997689000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4997689000 is an abundant number, since it is smaller than the sum of its proper divisors (6696905600).

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

4997689000 is a wasteful number, since it uses less digits than its factorization.

4997689000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997710 (or 4997696 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 4997689000 is about 70694.3349922750. The cubic root of 4997689000 is about 1709.7124557832.

The spelling of 4997689000 in words is "four billion, nine hundred ninety-seven million, six hundred eighty-nine thousand".