1473984389 has 4 divisors (see below), whose sum is σ = 1495984224. Its totient is φ = 1451984556.

The previous prime is 1473984367. The next prime is 1473984397. The reversal of 1473984389 is 9834893741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9834893741 = 10639 ⋅924419.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1473984389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1473984319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10999817 + ... + 10999950.

It is an arithmetic number, because the mean of its divisors is an integer number (373996056).

Almost surely, 2^1473984389 is an apocalyptic number.

It is an amenable number.

1473984389 is a deficient number, since it is larger than the sum of its proper divisors (21999835).

1473984389 is an equidigital number, since it uses as much as digits as its factorization.

1473984389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21999834.

The product of its digits is 5225472, while the sum is 56.

The square root of 1473984389 is about 38392.5043335284. The cubic root of 1473984389 is about 1138.0577343627.

The spelling of 1473984389 in words is "one billion, four hundred seventy-three million, nine hundred eighty-four thousand, three hundred eighty-nine".