803601501994 has 48 divisors (see below), whose sum is σ = 1254518781120. Its totient is φ = 385986988800.

The previous prime is 803601501991. The next prime is 803601502003. The reversal of 803601501994 is 499105106308.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (803601501991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246577537 + ... + 246580795.

It is an arithmetic number, because the mean of its divisors is an integer number (26135807940).

Almost surely, 2^803601501994 is an apocalyptic number.

803601501994 is a deficient number, since it is larger than the sum of its proper divisors (450917279126).

803601501994 is a wasteful number, since it uses less digits than its factorization.

803601501994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447 (or 4406 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 803601501994 in words is "eight hundred three billion, six hundred one million, five hundred one thousand, nine hundred ninety-four".