1389882463 has 4 divisors (see below), whose sum is σ = 1390853808. Its totient is φ = 1388911120.

The previous prime is 1389882419. The next prime is 1389882491. The reversal of 1389882463 is 3642889831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1389882463 - 2⁹ = 1389881951 is a prime.

It is a super-3 number, since 3×1389882463³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1389882463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389882563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483523 + ... + 486388.

It is an arithmetic number, because the mean of its divisors is an integer number (347713452).

Almost surely, 2^1389882463 is an apocalyptic number.

1389882463 is a deficient number, since it is larger than the sum of its proper divisors (971345).

1389882463 is an equidigital number, since it uses as much as digits as its factorization.

1389882463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971344.

The product of its digits is 1990656, while the sum is 52.

The square root of 1389882463 is about 37281.1274373509. The cubic root of 1389882463 is about 1115.9875725525.

The spelling of 1389882463 in words is "one billion, three hundred eighty-nine million, eight hundred eighty-two thousand, four hundred sixty-three".