1011010993 has 4 divisors (see below), whose sum is σ = 1011815280. Its totient is φ = 1010206708.

The previous prime is 1011010951. The next prime is 1011011017. The reversal of 1011010993 is 3990101101.

1011010993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3990101101 = 7 ⋅570014443.

It is a cyclic number.

It is not a de Polignac number, because 1011010993 - 2²⁵ = 977456561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011010933) 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, 400255 + ... + 402772.

It is an arithmetic number, because the mean of its divisors is an integer number (252953820).

Almost surely, 2^1011010993 is an apocalyptic number.

It is an amenable number.

1011010993 is a deficient number, since it is larger than the sum of its proper divisors (804287).

1011010993 is an equidigital number, since it uses as much as digits as its factorization.

1011010993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804286.

The product of its (nonzero) digits is 243, while the sum is 25.

The square root of 1011010993 is about 31796.3990571259. The cubic root of 1011010993 is about 1003.6569414773.

The spelling of 1011010993 in words is "one billion, eleven million, ten thousand, nine hundred ninety-three".