9993488404 has 6 divisors (see below), whose sum is σ = 17488604714. Its totient is φ = 4996744200.

The previous prime is 9993488399. The next prime is 9993488441. The reversal of 9993488404 is 4048843999.

It can be written as a sum of positive squares in only one way, i.e., 5490810000 + 4502678404 = 74100^2 + 67102^2 .

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, 1249186047 + ... + 1249186054.

Almost surely, 2^9993488404 is an apocalyptic number.

It is an amenable number.

9993488404 is a deficient number, since it is larger than the sum of its proper divisors (7495116310).

9993488404 is a wasteful number, since it uses less digits than its factorization.

9993488404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498372105 (or 2498372103 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 58.

The square root of 9993488404 is about 99967.4367181634. The cubic root of 9993488404 is about 2153.9669615516.

The spelling of 9993488404 in words is "nine billion, nine hundred ninety-three million, four hundred eighty-eight thousand, four hundred four".