1489936531 has 2 divisors, whose sum is σ = 1489936532. Its totient is φ = 1489936530.

The previous prime is 1489936489. The next prime is 1489936577. The reversal of 1489936531 is 1356399841.

It is a weak prime.

It is an emirp because it is prime and its reverse (1356399841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1489936531 - 2¹¹ = 1489934483 is a prime.

It is a super-2 number, since 2×1489936531² = 4439821732816627922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1489936631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744968265 + 744968266.

It is an arithmetic number, because the mean of its divisors is an integer number (744968266).

Almost surely, 2^1489936531 is an apocalyptic number.

1489936531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489936531 is an equidigital number, since it uses as much as digits as its factorization.

1489936531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 49.

The square root of 1489936531 is about 38599.6959962122. The cubic root of 1489936531 is about 1142.1485414931.

The spelling of 1489936531 in words is "one billion, four hundred eighty-nine million, nine hundred thirty-six thousand, five hundred thirty-one".