1489909554 has 24 divisors (see below), whose sum is σ = 3689300160. Its totient is φ = 425688408.

The previous prime is 1489909501. The next prime is 1489909559. The reversal of 1489909554 is 4559099841.

1489909554 is a `hidden beast` number, since 1 + 4 + 89 + 9 + 0 + 9 + 554 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1489909554.

It is not an unprimeable number, because it can be changed into a prime (1489909559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5912214 + ... + 5912465.

It is an arithmetic number, because the mean of its divisors is an integer number (153720840).

Almost surely, 2^1489909554 is an apocalyptic number.

1489909554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1489909554 is an abundant number, since it is smaller than the sum of its proper divisors (2199390606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1489909554 is a wasteful number, since it uses less digits than its factorization.

1489909554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11824694 (or 11824691 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The square root of 1489909554 is about 38599.3465488731. The cubic root of 1489909554 is about 1142.1416481509.

The spelling of 1489909554 in words is "one billion, four hundred eighty-nine million, nine hundred nine thousand, five hundred fifty-four".