654996899 has 4 divisors (see below), whose sum is σ = 689470440. Its totient is φ = 620523360.

The previous prime is 654996889. The next prime is 654996913. The reversal of 654996899 is 998699456.

654996899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 654996899 - 2⁴ = 654996883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654996809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17236742 + ... + 17236779.

It is an arithmetic number, because the mean of its divisors is an integer number (172367610).

Almost surely, 2^654996899 is an apocalyptic number.

654996899 is a deficient number, since it is larger than the sum of its proper divisors (34473541).

654996899 is a wasteful number, since it uses less digits than its factorization.

654996899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34473540.

The product of its digits is 37791360, while the sum is 65.

The square root of 654996899 is about 25592.9072010196. The cubic root of 654996899 is about 868.4531897466.

The spelling of 654996899 in words is "six hundred fifty-four million, nine hundred ninety-six thousand, eight hundred ninety-nine".