1488994517 has 4 divisors (see below), whose sum is σ = 1489102080. Its totient is φ = 1488886956.

The previous prime is 1488994513. The next prime is 1488994537. The reversal of 1488994517 is 7154998841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7154998841 = 1223 ⋅5850367.

It is a cyclic number.

It is not a de Polignac number, because 1488994517 - 2² = 1488994513 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1488994513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29303 + ... + 61940.

It is an arithmetic number, because the mean of its divisors is an integer number (372275520).

Almost surely, 2^1488994517 is an apocalyptic number.

It is an amenable number.

1488994517 is a deficient number, since it is larger than the sum of its proper divisors (107563).

1488994517 is an equidigital number, since it uses as much as digits as its factorization.

1488994517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107562.

The product of its digits is 2903040, while the sum is 56.

The square root of 1488994517 is about 38587.4917168763. The cubic root of 1488994517 is about 1141.9077825248.

The spelling of 1488994517 in words is "one billion, four hundred eighty-eight million, nine hundred ninety-four thousand, five hundred seventeen".