445033324021253 has 4 divisors (see below), whose sum is σ = 485490898932288. Its totient is φ = 404575749110220.

The previous prime is 445033324021249. The next prime is 445033324021301. The reversal of 445033324021253 is 352120423330544.

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 445033324021253 - 2² = 445033324021249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445033324021253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445033324021553) 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, 20228787455501 + ... + 20228787455522.

It is an arithmetic number, because the mean of its divisors is an integer number (121372724733072).

Almost surely, 2^{445033324021253} is an apocalyptic number.

It is an amenable number.

445033324021253 is a deficient number, since it is larger than the sum of its proper divisors (40457574911035).

445033324021253 is a wasteful number, since it uses less digits than its factorization.

445033324021253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40457574911034.

The product of its (nonzero) digits is 1036800, while the sum is 41.

Adding to 445033324021253 its reverse (352120423330544), we get a palindrome (797153747351797).

The spelling of 445033324021253 in words is "four hundred forty-five trillion, thirty-three billion, three hundred twenty-four million, twenty-one thousand, two hundred fifty-three".