1389461463 has 12 divisors (see below), whose sum is σ = 2161384680. Its totient is φ = 855053136.

The previous prime is 1389461443. The next prime is 1389461467. The reversal of 1389461463 is 3641649831.

It is not a de Polignac number, because 1389461463 - 2⁶ = 1389461399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389461467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5937753 + ... + 5937986.

It is an arithmetic number, because the mean of its divisors is an integer number (180115390).

Almost surely, 2^1389461463 is an apocalyptic number.

1389461463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1389461463 is a deficient number, since it is larger than the sum of its proper divisors (771923217).

1389461463 is a wasteful number, since it uses less digits than its factorization.

1389461463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11875758 (or 11875755 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 1389461463 is about 37275.4807212462. The cubic root of 1389461463 is about 1115.8748823967.

It can be divided in two parts, 13894 and 61463, that added together give a palindrome (75357).

The spelling of 1389461463 in words is "one billion, three hundred eighty-nine million, four hundred sixty-one thousand, four hundred sixty-three".