199007453 has 2 divisors, whose sum is σ = 199007454. Its totient is φ = 199007452.

The previous prime is 199007443. The next prime is 199007467. The reversal of 199007453 is 354700991.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199007449 + 4 = 14107^2 + 2^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199007453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199007443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99503726 + 99503727.

It is an arithmetic number, because the mean of its divisors is an integer number (99503727).

Almost surely, 2^199007453 is an apocalyptic number.

It is an amenable number.

199007453 is a deficient number, since it is larger than the sum of its proper divisors (1).

199007453 is an equidigital number, since it uses as much as digits as its factorization.

199007453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 199007453 is about 14107.0001417736. Note that the first 3 decimals coincide. The cubic root of 199007453 is about 583.8345345406.

The spelling of 199007453 in words is "one hundred ninety-nine million, seven thousand, four hundred fifty-three".