458243701969 has 3 divisors (see below), whose sum is σ = 458244378907. Its totient is φ = 458243025032.

The previous prime is 458243701919. The next prime is 458243701973. The reversal of 458243701969 is 969107342854.

The square root of 458243701969 is 676937.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 56176110225 + 402067591744 = 237015^2 + 634088^2 .

It is a de Polignac number, because none of the positive numbers 2^k-458243701969 is a prime.

It is a super-2 number, since 2×458243701969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (458243701919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 338469 + ... + 1015405.

It is a 1-persistent number, because it is pandigital, but 2⋅458243701969 = 916487403938 is not.

Almost surely, 2^458243701969 is an apocalyptic number.

458243701969 is the 676937-th square number.

458243701969 is the 338469-th centered octagonal number.

It is an amenable number.

458243701969 is a deficient number, since it is larger than the sum of its proper divisors (676938).

458243701969 is an frugal number, since it uses more digits than its factorization.

458243701969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353874 (or 676937 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 458243701969 in words is "four hundred fifty-eight billion, two hundred forty-three million, seven hundred one thousand, nine hundred sixty-nine".