654349149 has 12 divisors (see below), whose sum is σ = 986265696. Its totient is φ = 417265992.

The previous prime is 654349141. The next prime is 654349229. The reversal of 654349149 is 941943456.

It is not a de Polignac number, because 654349149 - 2³ = 654349141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654349141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1580347 + ... + 1580760.

It is an arithmetic number, because the mean of its divisors is an integer number (82188808).

Almost surely, 2^654349149 is an apocalyptic number.

654349149 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

654349149 is a deficient number, since it is larger than the sum of its proper divisors (331916547).

654349149 is a wasteful number, since it uses less digits than its factorization.

654349149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161136 (or 3161133 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 654349149 is about 25580.2491973788. The cubic root of 654349149 is about 868.1668137880.

The spelling of 654349149 in words is "six hundred fifty-four million, three hundred forty-nine thousand, one hundred forty-nine".