454243970 has 8 divisors (see below), whose sum is σ = 817639164. Its totient is φ = 181697584.

The previous prime is 454243957. The next prime is 454244017. The reversal of 454243970 is 79342454.

It is a Cunningham number, because it is equal to 21313²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 454243969 + 1 = 21313^2 + 1^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22712189 + ... + 22712208.

Almost surely, 2^454243970 is an apocalyptic number.

454243970 is a deficient number, since it is larger than the sum of its proper divisors (363395194).

454243970 is a wasteful number, since it uses less digits than its factorization.

454243970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45424404.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 454243970 is about 21313.0000234599. Note that the first 4 decimals coincide. The cubic root of 454243970 is about 768.7109313655.

It can be divided in two parts, 45424 and 3970, that added together give a palindrome (49394).

The spelling of 454243970 in words is "four hundred fifty-four million, two hundred forty-three thousand, nine hundred seventy".