1488625189 has 2 divisors, whose sum is σ = 1488625190. Its totient is φ = 1488625188.

The previous prime is 1488625157. The next prime is 1488625199. The reversal of 1488625189 is 9815268841.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1349974564 + 138650625 = 36742^2 + 11775^2 .

It is a cyclic number.

It is not a de Polignac number, because 1488625189 - 2⁵ = 1488625157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1488625139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744312594 + 744312595.

It is an arithmetic number, because the mean of its divisors is an integer number (744312595).

Almost surely, 2^1488625189 is an apocalyptic number.

It is an amenable number.

1488625189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1488625189 is an equidigital number, since it uses as much as digits as its factorization.

1488625189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 52.

The square root of 1488625189 is about 38582.7058278706. The cubic root of 1488625189 is about 1141.8133623446.

The spelling of 1488625189 in words is "one billion, four hundred eighty-eight million, six hundred twenty-five thousand, one hundred eighty-nine".