9930194453 has 8 divisors (see below), whose sum is σ = 10231249176. Its totient is φ = 9633600000.

The previous prime is 9930194431. The next prime is 9930194467. The reversal of 9930194453 is 3544910399.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1391140804 + 8539053649 = 37298^2 + 92407^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 9930194453 - 2¹² = 9930190357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9930194398 and 9930194407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9930194653) 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 7 ways as a sum of consecutive naturals, for example, 1110548 + ... + 1119453.

It is an arithmetic number, because the mean of its divisors is an integer number (1278906147).

Almost surely, 2^9930194453 is an apocalyptic number.

It is an amenable number.

9930194453 is a deficient number, since it is larger than the sum of its proper divisors (301054723).

9930194453 is a wasteful number, since it uses less digits than its factorization.

9930194453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230135.

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 9930194453 is about 99650.3610279461. The cubic root of 9930194453 is about 2149.4099302275.

The spelling of 9930194453 in words is "nine billion, nine hundred thirty million, one hundred ninety-four thousand, four hundred fifty-three".