1389485003 has 4 divisors (see below), whose sum is σ = 1394395128. Its totient is φ = 1384574880.

The previous prime is 1389484969. The next prime is 1389485051. The reversal of 1389485003 is 3005849831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3005849831 = 13037 ⋅230563.

It is a cyclic number.

It is not a de Polignac number, because 1389485003 - 2¹⁶ = 1389419467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1389485093) 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, 2454638 + ... + 2455203.

It is an arithmetic number, because the mean of its divisors is an integer number (348598782).

Almost surely, 2^1389485003 is an apocalyptic number.

1389485003 is a deficient number, since it is larger than the sum of its proper divisors (4910125).

1389485003 is an equidigital number, since it uses as much as digits as its factorization.

1389485003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4910124.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1389485003 is about 37275.7964770707. The cubic root of 1389485003 is about 1115.8811840100.

The spelling of 1389485003 in words is "one billion, three hundred eighty-nine million, four hundred eighty-five thousand, three".