454446813 has 4 divisors (see below), whose sum is σ = 605929088. Its totient is φ = 302964540.

The previous prime is 454446803. The next prime is 454446841. The reversal of 454446813 is 318644454.

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 not a de Polignac number, because 454446813 - 2⁶ = 454446749 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 (454446803) 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, 75741133 + ... + 75741138.

It is an arithmetic number, because the mean of its divisors is an integer number (151482272).

Almost surely, 2^454446813 is an apocalyptic number.

It is an amenable number.

454446813 is a deficient number, since it is larger than the sum of its proper divisors (151482275).

454446813 is a wasteful number, since it uses less digits than its factorization.

454446813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151482274.

The product of its digits is 184320, while the sum is 39.

The square root of 454446813 is about 21317.7581607448. The cubic root of 454446813 is about 768.8253371603.

The spelling of 454446813 in words is "four hundred fifty-four million, four hundred forty-six thousand, eight hundred thirteen".