1350543943 has 4 divisors (see below), whose sum is σ = 1543478800. Its totient is φ = 1157609088.

The previous prime is 1350543917. The next prime is 1350543979. The reversal of 1350543943 is 3493450531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3493450531 = 2333 ⋅1497407.

It is a cyclic number.

It is not a de Polignac number, because 1350543943 - 2⁵ = 1350543911 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 (1350543983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96467418 + ... + 96467431.

It is an arithmetic number, because the mean of its divisors is an integer number (385869700).

Almost surely, 2^1350543943 is an apocalyptic number.

1350543943 is a deficient number, since it is larger than the sum of its proper divisors (192934857).

1350543943 is an equidigital number, since it uses as much as digits as its factorization.

1350543943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192934856.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 1350543943 is about 36749.7475229422. The cubic root of 1350543943 is about 1105.3578669305.

The spelling of 1350543943 in words is "one billion, three hundred fifty million, five hundred forty-three thousand, nine hundred forty-three".