452681413221 has 16 divisors (see below), whose sum is σ = 610201807488. Its totient is φ = 298478438400.

The previous prime is 452681413213. The next prime is 452681413307. The reversal of 452681413221 is 122314186254.

It is not a de Polignac number, because 452681413221 - 2³ = 452681413213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 452681413221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452681414221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75060 + ... + 954461.

It is an arithmetic number, because the mean of its divisors is an integer number (38137612968).

Almost surely, 2^452681413221 is an apocalyptic number.

It is an amenable number.

452681413221 is a deficient number, since it is larger than the sum of its proper divisors (157520394267).

452681413221 is a wasteful number, since it uses less digits than its factorization.

452681413221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031132.

The product of its digits is 92160, while the sum is 39.

Adding to 452681413221 its reverse (122314186254), we get a palindrome (574995599475).

The spelling of 452681413221 in words is "four hundred fifty-two billion, six hundred eighty-one million, four hundred thirteen thousand, two hundred twenty-one".