453210705021 has 4 divisors (see below), whose sum is σ = 604280940032. Its totient is φ = 302140470012.

The previous prime is 453210705011. The next prime is 453210705023. The reversal of 453210705021 is 120507012354.

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 not a de Polignac number, because 453210705021 - 2¹⁸ = 453210442877 is a prime.

It is a super-2 number, since 2×453210705021² (a number of 24 digits) contains 22 as substring.

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 453210705021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453210705023) 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, 75535117501 + ... + 75535117506.

It is an arithmetic number, because the mean of its divisors is an integer number (151070235008).

Almost surely, 2^453210705021 is an apocalyptic number.

It is an amenable number.

453210705021 is a deficient number, since it is larger than the sum of its proper divisors (151070235011).

453210705021 is a wasteful number, since it uses less digits than its factorization.

453210705021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151070235010.

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 453210705021 its reverse (120507012354), we get a palindrome (573717717375).

The spelling of 453210705021 in words is "four hundred fifty-three billion, two hundred ten million, seven hundred five thousand, twenty-one".