803494311188 has 6 divisors (see below), whose sum is σ = 1406115044586. Its totient is φ = 401747155592.

The previous prime is 803494311167. The next prime is 803494311197. The reversal of 803494311188 is 881113494308.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 696059827204 + 107434483984 = 834302^2 + 327772^2 .

It is a super-2 number, since 2×803494311188² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100436788895 + ... + 100436788902.

It is an arithmetic number, because the mean of its divisors is an integer number (234352507431).

Almost surely, 2^803494311188 is an apocalyptic number.

It is an amenable number.

803494311188 is a deficient number, since it is larger than the sum of its proper divisors (602620733398).

803494311188 is a wasteful number, since it uses less digits than its factorization.

803494311188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200873577801 (or 200873577799 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The spelling of 803494311188 in words is "eight hundred three billion, four hundred ninety-four million, three hundred eleven thousand, one hundred eighty-eight".