1009954193 has 4 divisors (see below), whose sum is σ = 1011379380. Its totient is φ = 1008529008.

The previous prime is 1009954157. The next prime is 1009954223. The reversal of 1009954193 is 3914599001.

1009954193 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 an emirpimes, since its reverse is a distinct semiprime: 3914599001 = 37 ⋅105799973.

It can be written as a sum of positive squares in 2 ways, for example, as 119946304 + 890007889 = 10952^2 + 29833^2 .

It is a cyclic number.

It is not a de Polignac number, because 1009954193 - 2⁶ = 1009954129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1009954193.

It is not an unprimeable number, because it can be changed into a prime (1009954793) 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, 711530 + ... + 712947.

It is an arithmetic number, because the mean of its divisors is an integer number (252844845).

Almost surely, 2^1009954193 is an apocalyptic number.

It is an amenable number.

1009954193 is a deficient number, since it is larger than the sum of its proper divisors (1425187).

1009954193 is an equidigital number, since it uses as much as digits as its factorization.

1009954193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425186.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 1009954193 is about 31779.7764781315. The cubic root of 1009954193 is about 1003.3071152653.

The spelling of 1009954193 in words is "one billion, nine million, nine hundred fifty-four thousand, one hundred ninety-three".