1289931483 has 8 divisors (see below), whose sum is σ = 1775389696. Its totient is φ = 832213800.

The previous prime is 1289931473. The next prime is 1289931523. The reversal of 1289931483 is 3841399821.

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

It is not a de Polignac number, because 1289931483 - 2¹³ = 1289923291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1289931443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6935023 + ... + 6935208.

It is an arithmetic number, because the mean of its divisors is an integer number (221923712).

Almost surely, 2^1289931483 is an apocalyptic number.

1289931483 is a deficient number, since it is larger than the sum of its proper divisors (485458213).

1289931483 is a wasteful number, since it uses less digits than its factorization.

1289931483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13870265.

The product of its digits is 373248, while the sum is 48.

The square root of 1289931483 is about 35915.6161439561. The cubic root of 1289931483 is about 1088.5679600545.

The spelling of 1289931483 in words is "one billion, two hundred eighty-nine million, nine hundred thirty-one thousand, four hundred eighty-three".