1488869631 has 12 divisors (see below), whose sum is σ = 2154140352. Its totient is φ = 990940896.

The previous prime is 1488869623. The next prime is 1488869663. The reversal of 1488869631 is 1369688841.

It is not a de Polignac number, because 1488869631 - 2³ = 1488869623 is a prime.

It is a super-2 number, since 2×1488869631² = 4433465556228152322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1488869131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130806 + ... + 141731.

It is an arithmetic number, because the mean of its divisors is an integer number (179511696).

Almost surely, 2^1488869631 is an apocalyptic number.

1488869631 is a deficient number, since it is larger than the sum of its proper divisors (665270721).

1488869631 is a wasteful number, since it uses less digits than its factorization.

1488869631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273150 (or 273147 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 1488869631 is about 38585.8734642615. The cubic root of 1488869631 is about 1141.8758566668.

The spelling of 1488869631 in words is "one billion, four hundred eighty-eight million, eight hundred sixty-nine thousand, six hundred thirty-one".