1389741617 has 8 divisors (see below), whose sum is σ = 1553059872. Its totient is φ = 1232586400.

The previous prime is 1389741559. The next prime is 1389741623. The reversal of 1389741617 is 7161479831.

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

It is a cyclic number.

It is not a de Polignac number, because 1389741617 - 2⁸ = 1389741361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1389741317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1540283 + ... + 1541184.

It is an arithmetic number, because the mean of its divisors is an integer number (194132484).

Almost surely, 2^1389741617 is an apocalyptic number.

It is an amenable number.

1389741617 is a deficient number, since it is larger than the sum of its proper divisors (163318255).

1389741617 is a wasteful number, since it uses less digits than its factorization.

1389741617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081519.

The product of its digits is 254016, while the sum is 47.

The square root of 1389741617 is about 37279.2384176501. The cubic root of 1389741617 is about 1115.9498744738.

The spelling of 1389741617 in words is "one billion, three hundred eighty-nine million, seven hundred forty-one thousand, six hundred seventeen".