196630453 has 4 divisors (see below), whose sum is σ = 199399968. Its totient is φ = 193860940.

The previous prime is 196630433. The next prime is 196630457. The reversal of 196630453 is 354036691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 196630453 - 2²⁵ = 163076021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196630457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1384651 + ... + 1384792.

It is an arithmetic number, because the mean of its divisors is an integer number (49849992).

Almost surely, 2^196630453 is an apocalyptic number.

It is an amenable number.

196630453 is a deficient number, since it is larger than the sum of its proper divisors (2769515).

196630453 is an equidigital number, since it uses as much as digits as its factorization.

196630453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769514.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 196630453 is about 14022.4981012657. The cubic root of 196630453 is about 581.5007241766.

The spelling of 196630453 in words is "one hundred ninety-six million, six hundred thirty thousand, four hundred fifty-three".