1488685969 has 8 divisors (see below), whose sum is σ = 1509480000. Its totient is φ = 1468036272.

The previous prime is 1488685951. The next prime is 1488685981. The reversal of 1488685969 is 9695868841.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1488685969 is a prime.

It is a super-2 number, since 2×1488685969² = 4432371828594937922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1488685969.

It is not an unprimeable number, because it can be changed into a prime (1488685949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15229 + ... + 56650.

It is an arithmetic number, because the mean of its divisors is an integer number (188685000).

Almost surely, 2^1488685969 is an apocalyptic number.

It is an amenable number.

1488685969 is a deficient number, since it is larger than the sum of its proper divisors (20794031).

1488685969 is a wasteful number, since it uses less digits than its factorization.

1488685969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72167.

The product of its digits is 29859840, while the sum is 64.

The square root of 1488685969 is about 38583.4934784293. The cubic root of 1488685969 is about 1141.8289020682.

The spelling of 1488685969 in words is "one billion, four hundred eighty-eight million, six hundred eighty-five thousand, nine hundred sixty-nine".