1489622729 has 8 divisors (see below), whose sum is σ = 1761130560. Its totient is φ = 1232791056.

The previous prime is 1489622713. The next prime is 1489622731. The reversal of 1489622729 is 9272269841.

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

It is not a de Polignac number, because 1489622729 - 2⁴ = 1489622713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1489622749) 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, 3668819 + ... + 3669224.

It is an arithmetic number, because the mean of its divisors is an integer number (220141320).

Almost surely, 2^1489622729 is an apocalyptic number.

It is an amenable number.

1489622729 is a deficient number, since it is larger than the sum of its proper divisors (271507831).

1489622729 is an equidigital number, since it uses as much as digits as its factorization.

1489622729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7338079.

The product of its digits is 870912, while the sum is 50.

The square root of 1489622729 is about 38595.6309574024. The cubic root of 1489622729 is about 1142.0683515758.

The spelling of 1489622729 in words is "one billion, four hundred eighty-nine million, six hundred twenty-two thousand, seven hundred twenty-nine".