1384761493 has 4 divisors (see below), whose sum is σ = 1404265248. Its totient is φ = 1365257740.

The previous prime is 1384761487. The next prime is 1384761527. The reversal of 1384761493 is 3941674831.

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.

It is a cyclic number.

It is not a de Polignac number, because 1384761493 - 2¹³ = 1384753301 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 (1384767493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9751771 + ... + 9751912.

It is an arithmetic number, because the mean of its divisors is an integer number (351066312).

Almost surely, 2^1384761493 is an apocalyptic number.

It is an amenable number.

1384761493 is a deficient number, since it is larger than the sum of its proper divisors (19503755).

1384761493 is an equidigital number, since it uses as much as digits as its factorization.

1384761493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19503754.

The product of its digits is 435456, while the sum is 46.

The square root of 1384761493 is about 37212.3835973994. The cubic root of 1384761493 is about 1114.6152809474.

The spelling of 1384761493 in words is "one billion, three hundred eighty-four million, seven hundred sixty-one thousand, four hundred ninety-three".