1379305543 has 16 divisors (see below), whose sum is σ = 1720532736. Its totient is φ = 1074234240.

The previous prime is 1379305531. The next prime is 1379305579. The reversal of 1379305543 is 3455039731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1379305543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1379305496 and 1379305505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379305843) 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 15 ways as a sum of consecutive naturals, for example, 214980 + ... + 221302.

It is an arithmetic number, because the mean of its divisors is an integer number (107533296).

Almost surely, 2^1379305543 is an apocalyptic number.

1379305543 is a deficient number, since it is larger than the sum of its proper divisors (341227193).

1379305543 is a wasteful number, since it uses less digits than its factorization.

1379305543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9174.

The product of its (nonzero) digits is 170100, while the sum is 40.

The square root of 1379305543 is about 37139.0029887718. The cubic root of 1379305543 is about 1113.1494955539.

The spelling of 1379305543 in words is "one billion, three hundred seventy-nine million, three hundred five thousand, five hundred forty-three".