1389735241479 has 48 divisors (see below), whose sum is σ = 2211353976832. Its totient is φ = 835823064384.

The previous prime is 1389735241439. The next prime is 1389735241481. The reversal of 1389735241479 is 9741425379831.

1389735241479 is a `hidden beast` number, since 1 + 3 + 8 + 9 + 73 + 52 + 41 + 479 = 666.

It is not a de Polignac number, because 1389735241479 - 2⁷ = 1389735241351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389735241439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 297582 + ... + 1693524.

Almost surely, 2^{1389735241479} is an apocalyptic number.

1389735241479 is a deficient number, since it is larger than the sum of its proper divisors (821618735353).

1389735241479 is a wasteful number, since it uses less digits than its factorization.

1389735241479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396156 (or 1396153 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 1389735241479 in words is "one trillion, three hundred eighty-nine billion, seven hundred thirty-five million, two hundred forty-one thousand, four hundred seventy-nine".