2053003994 has 8 divisors (see below), whose sum is σ = 3080023380. Its totient is φ = 1026329536.

The previous prime is 2053003993. The next prime is 2053004011. The reversal of 2053003994 is 4993003502.

It can be written as a sum of positive squares in 2 ways, for example, as 1867363369 + 185640625 = 43213^2 + 13625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2053003993) 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, 70799 + ... + 95490.

Almost surely, 2^2053003994 is an apocalyptic number.

2053003994 is a deficient number, since it is larger than the sum of its proper divisors (1027019386).

2053003994 is a wasteful number, since it uses less digits than its factorization.

2053003994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172464.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 2053003994 is about 45310.0871109293. The cubic root of 2053003994 is about 1270.9542900944.

The spelling of 2053003994 in words is "two billion, fifty-three million, three thousand, nine hundred ninety-four".