1050049939 has 4 divisors (see below), whose sum is σ = 1069862256. Its totient is φ = 1030237624.

The previous prime is 1050049937. The next prime is 1050049943. The reversal of 1050049939 is 9399400501.

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

It is a cyclic number.

It is not a de Polignac number, because 1050049939 - 2¹ = 1050049937 is a prime.

It is a super-2 number, since 2×1050049939² = 2205209748787807442, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050049937) 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, 9906079 + ... + 9906184.

It is an arithmetic number, because the mean of its divisors is an integer number (267465564).

Almost surely, 2^1050049939 is an apocalyptic number.

1050049939 is a deficient number, since it is larger than the sum of its proper divisors (19812317).

1050049939 is an equidigital number, since it uses as much as digits as its factorization.

1050049939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19812316.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 1050049939 is about 32404.4740583766. The cubic root of 1050049939 is about 1016.4124701523.

The spelling of 1050049939 in words is "one billion, fifty million, forty-nine thousand, nine hundred thirty-nine".