993113453 has 2 divisors, whose sum is σ = 993113454. Its totient is φ = 993113452.

The previous prime is 993113449. The next prime is 993113467. The reversal of 993113453 is 354311399.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 833015044 + 160098409 = 28862^2 + 12653^2 .

It is a cyclic number.

It is not a de Polignac number, because 993113453 - 2² = 993113449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993113483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496556726 + 496556727.

It is an arithmetic number, because the mean of its divisors is an integer number (496556727).

Almost surely, 2^993113453 is an apocalyptic number.

It is an amenable number.

993113453 is a deficient number, since it is larger than the sum of its proper divisors (1).

993113453 is an equidigital number, since it uses as much as digits as its factorization.

993113453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 38.

The square root of 993113453 is about 31513.7026228274. The cubic root of 993113453 is about 997.6991946882.

The spelling of 993113453 in words is "nine hundred ninety-three million, one hundred thirteen thousand, four hundred fifty-three".