654869097 has 32 divisors (see below), whose sum is σ = 1028160000. Its totient is φ = 411223680.

The previous prime is 654869077. The next prime is 654869107. The reversal of 654869097 is 790968456.

654869097 is a `hidden beast` number, since 6 + 548 + 6 + 9 + 0 + 97 = 666.

It is not a de Polignac number, because 654869097 - 2⁷ = 654868969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (654869027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21904 + ... + 42302.

It is an arithmetic number, because the mean of its divisors is an integer number (32130000).

Almost surely, 2^654869097 is an apocalyptic number.

It is an amenable number.

654869097 is a deficient number, since it is larger than the sum of its proper divisors (373290903).

654869097 is a wasteful number, since it uses less digits than its factorization.

654869097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20478 (or 20472 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 654869097 is about 25590.4102546247. The cubic root of 654869097 is about 868.3967023168.

The spelling of 654869097 in words is "six hundred fifty-four million, eight hundred sixty-nine thousand, ninety-seven".