1150973993 has 6 divisors (see below), whose sum is σ = 1246321134. Its totient is φ = 1062437376.

The previous prime is 1150973987. The next prime is 1150974029. The reversal of 1150973993 is 3993790511.

It can be written as a sum of positive squares in 3 ways, for example, as 103286569 + 1047687424 = 10163^2 + 32368^2 .

It is not a de Polignac number, because 1150973993 - 2²⁰ = 1149925417 is a prime.

It is a super-2 number, since 2×1150973993² = 2649482265124728098, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1150973903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3405080 + ... + 3405417.

It is an arithmetic number, because the mean of its divisors is an integer number (207720189).

Almost surely, 2^1150973993 is an apocalyptic number.

1150973993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1150973993 is a deficient number, since it is larger than the sum of its proper divisors (95347141).

1150973993 is an equidigital number, since it uses as much as digits as its factorization.

1150973993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810523 (or 6810510 counting only the distinct ones).

The product of its (nonzero) digits is 229635, while the sum is 47.

The square root of 1150973993 is about 33926.0076195240. The cubic root of 1150973993 is about 1047.9852500813.

The spelling of 1150973993 in words is "one billion, one hundred fifty million, nine hundred seventy-three thousand, nine hundred ninety-three".