453113240021 has 8 divisors (see below), whose sum is σ = 487973758104. Its totient is φ = 418253529600.

The previous prime is 453113239979. The next prime is 453113240039. The reversal of 453113240021 is 120042311354.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15200177521 + 437913062500 = 123289^2 + 661750^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-453113240021 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 (453113243021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485821 + ... + 1764621.

It is an arithmetic number, because the mean of its divisors is an integer number (60996719763).

Almost surely, 2^453113240021 is an apocalyptic number.

It is an amenable number.

453113240021 is a deficient number, since it is larger than the sum of its proper divisors (34860518083).

453113240021 is a wasteful number, since it uses less digits than its factorization.

453113240021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403831.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 453113240021 its reverse (120042311354), we get a palindrome (573155551375).

The spelling of 453113240021 in words is "four hundred fifty-three billion, one hundred thirteen million, two hundred forty thousand, twenty-one".