1050749993 has 4 divisors (see below), whose sum is σ = 1053613440. Its totient is φ = 1047886548.

The previous prime is 1050749981. The next prime is 1050750017. The reversal of 1050749993 is 3999470501.

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 1050749993 - 2¹⁸ = 1050487849 is a prime.

It is a super-3 number, since 3×1050749993³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050749933) 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, 1431173 + ... + 1431906.

It is an arithmetic number, because the mean of its divisors is an integer number (263403360).

Almost surely, 2^1050749993 is an apocalyptic number.

It is an amenable number.

1050749993 is a deficient number, since it is larger than the sum of its proper divisors (2863447).

1050749993 is an equidigital number, since it uses as much as digits as its factorization.

1050749993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863446.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 1050749993 is about 32415.2740694877. The cubic root of 1050749993 is about 1016.6382960939.

The spelling of 1050749993 in words is "one billion, fifty million, seven hundred forty-nine thousand, nine hundred ninety-three".