1488991265 has 8 divisors (see below), whose sum is σ = 1789036200. Its totient is φ = 1189695232.

The previous prime is 1488991247. The next prime is 1488991277. The reversal of 1488991265 is 5621998841.

It can be written as a sum of positive squares in 4 ways, for example, as 210714256 + 1278277009 = 14516^2 + 35753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1488991265 - 2¹² = 1488987169 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182840 + ... + 190809.

It is an arithmetic number, because the mean of its divisors is an integer number (223629525).

Almost surely, 2^1488991265 is an apocalyptic number.

It is an amenable number.

1488991265 is a deficient number, since it is larger than the sum of its proper divisors (300044935).

1488991265 is an equidigital number, since it uses as much as digits as its factorization.

1488991265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374451.

The product of its digits is 1244160, while the sum is 53.

The square root of 1488991265 is about 38587.4495788462. The cubic root of 1488991265 is about 1141.9069512061.

The spelling of 1488991265 in words is "one billion, four hundred eighty-eight million, nine hundred ninety-one thousand, two hundred sixty-five".