1002708489 has 16 divisors (see below), whose sum is σ = 1408546880. Its totient is φ = 632733120.

The previous prime is 1002708479. The next prime is 1002708491. The reversal of 1002708489 is 9848072001.

It is not a de Polignac number, because 1002708489 - 2²³ = 994319881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002708479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63399 + ... + 77619.

It is an arithmetic number, because the mean of its divisors is an integer number (88034180).

Almost surely, 2^1002708489 is an apocalyptic number.

1002708489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1002708489 is a deficient number, since it is larger than the sum of its proper divisors (405838391).

1002708489 is a wasteful number, since it uses less digits than its factorization.

1002708489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15480.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 1002708489 is about 31665.5726144341. The cubic root of 1002708489 is about 1000.9020157895.

The spelling of 1002708489 in words is "one billion, two million, seven hundred eight thousand, four hundred eighty-nine".