450012023413213 has 4 divisors (see below), whose sum is σ = 450013552732828. Its totient is φ = 450010494093600.

The previous prime is 450012023413189. The next prime is 450012023413363. The reversal of 450012023413213 is 312314320210054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 310285864594489 + 139726158818724 = 17614933^2 + 11820582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450012023413213 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 (450012023413613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764218338 + ... + 764806963.

It is an arithmetic number, because the mean of its divisors is an integer number (112503388183207).

Almost surely, 2^{450012023413213} is an apocalyptic number.

It is an amenable number.

450012023413213 is a deficient number, since it is larger than the sum of its proper divisors (1529319615).

450012023413213 is a wasteful number, since it uses less digits than its factorization.

450012023413213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529319614.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 450012023413213 its reverse (312314320210054), we get a palindrome (762326343623267).

The spelling of 450012023413213 in words is "four hundred fifty trillion, twelve billion, twenty-three million, four hundred thirteen thousand, two hundred thirteen".