1654048868 has 6 divisors (see below), whose sum is σ = 2894585526. Its totient is φ = 827024432.

The previous prime is 1654048867. The next prime is 1654048919. The reversal of 1654048868 is 8688404561.

It can be written as a sum of positive squares in only one way, i.e., 936237604 + 717811264 = 30598^2 + 26792^2 .

It is not an unprimeable number, because it can be changed into a prime (1654048867) 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 as a sum of consecutive naturals, namely, 206756105 + ... + 206756112.

It is an arithmetic number, because the mean of its divisors is an integer number (482430921).

Almost surely, 2^1654048868 is an apocalyptic number.

It is an amenable number.

1654048868 is a deficient number, since it is larger than the sum of its proper divisors (1240536658).

1654048868 is a wasteful number, since it uses less digits than its factorization.

1654048868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413512221 (or 413512219 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 50.

The square root of 1654048868 is about 40669.9996065896. Note that the first 3 decimals coincide. The cubic root of 1654048868 is about 1182.6315081540.

The spelling of 1654048868 in words is "one billion, six hundred fifty-four million, forty-eight thousand, eight hundred sixty-eight".