1489351888 has 10 divisors (see below), whose sum is σ = 2885619314. Its totient is φ = 744675936.

The previous prime is 1489351873. The next prime is 1489351889. The reversal of 1489351888 is 8881539841.

It can be written as a sum of positive squares in only one way, i.e., 1166359104 + 322992784 = 34152^2 + 17972^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489351889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46542231 + ... + 46542262.

Almost surely, 2^1489351888 is an apocalyptic number.

It is an amenable number.

1489351888 is a deficient number, since it is larger than the sum of its proper divisors (1396267426).

1489351888 is an equidigital number, since it uses as much as digits as its factorization.

1489351888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93084501 (or 93084495 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 55.

The square root of 1489351888 is about 38592.1220976510. The cubic root of 1489351888 is about 1141.9991309880. Note that the first 3 decimals are identical.

The spelling of 1489351888 in words is "one billion, four hundred eighty-nine million, three hundred fifty-one thousand, eight hundred eighty-eight".