1458648989 has 32 divisors (see below), whose sum is σ = 1759518720. Its totient is φ = 1182892032.

The previous prime is 1458648973. The next prime is 1458649013. The reversal of 1458648989 is 9898468541.

It is not a de Polignac number, because 1458648989 - 2⁴ = 1458648973 is a prime.

It is a super-2 number, since 2×1458648989² = 4255313746221444242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1458648949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3808292 + ... + 3808674.

It is an arithmetic number, because the mean of its divisors is an integer number (54984960).

Almost surely, 2^1458648989 is an apocalyptic number.

It is an amenable number.

1458648989 is a deficient number, since it is larger than the sum of its proper divisors (300869731).

1458648989 is a wasteful number, since it uses less digits than its factorization.

1458648989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749.

The product of its digits is 19906560, while the sum is 62.

The square root of 1458648989 is about 38192.2634704988. The cubic root of 1458648989 is about 1134.0971658129.

The spelling of 1458648989 in words is "one billion, four hundred fifty-eight million, six hundred forty-eight thousand, nine hundred eighty-nine".