1654048867 has 2 divisors, whose sum is σ = 1654048868. Its totient is φ = 1654048866.

The previous prime is 1654048859. The next prime is 1654048919. The reversal of 1654048867 is 7688404561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1654048867 - 2³ = 1654048859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1654048867.

It is not a weakly prime, because it can be changed into another prime (1654048267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827024433 + 827024434.

It is an arithmetic number, because the mean of its divisors is an integer number (827024434).

Almost surely, 2^1654048867 is an apocalyptic number.

1654048867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1654048867 is an equidigital number, since it uses as much as digits as its factorization.

1654048867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 1654048867 is about 40669.9995942955. Note that the first 3 decimals coincide. The cubic root of 1654048867 is about 1182.6315079156.

The spelling of 1654048867 in words is "one billion, six hundred fifty-four million, forty-eight thousand, eight hundred sixty-seven".