803948408906 has 4 divisors (see below), whose sum is σ = 1205922613362. Its totient is φ = 401974204452.

The previous prime is 803948408903. The next prime is 803948408911. The reversal of 803948408906 is 609804849308.

803948408906 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.

It can be written as a sum of positive squares in only one way, i.e., 573668393281 + 230280015625 = 757409^2 + 479875^2 .

It is not an unprimeable number, because it can be changed into a prime (803948408903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200987102225 + ... + 200987102228.

Almost surely, 2^803948408906 is an apocalyptic number.

803948408906 is a deficient number, since it is larger than the sum of its proper divisors (401974204456).

803948408906 is a wasteful number, since it uses less digits than its factorization.

803948408906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401974204455.

The product of its (nonzero) digits is 11943936, while the sum is 59.

The spelling of 803948408906 in words is "eight hundred three billion, nine hundred forty-eight million, four hundred eight thousand, nine hundred six".