1050543399 has 4 divisors (see below), whose sum is σ = 1400724536. Its totient is φ = 700362264.

The previous prime is 1050543359. The next prime is 1050543419. The reversal of 1050543399 is 9933450501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1050543399 - 2¹⁹ = 1050019111 is a prime.

It is a super-2 number, since 2×1050543399² = 2207282866364946402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050543359) 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, 175090564 + ... + 175090569.

It is an arithmetic number, because the mean of its divisors is an integer number (350181134).

Almost surely, 2^1050543399 is an apocalyptic number.

1050543399 is a deficient number, since it is larger than the sum of its proper divisors (350181137).

1050543399 is an equidigital number, since it uses as much as digits as its factorization.

1050543399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350181136.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 1050543399 is about 32412.0872360914. The cubic root of 1050543399 is about 1016.5716626923.

The spelling of 1050543399 in words is "one billion, fifty million, five hundred forty-three thousand, three hundred ninety-nine".