453215042021 has 24 divisors (see below), whose sum is σ = 548200643712. Its totient is φ = 366345856800.

The previous prime is 453215042003. The next prime is 453215042047. The reversal of 453215042021 is 120240512354.

It is not a de Polignac number, because 453215042021 - 2⁶ = 453215041957 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 (453215041021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 532391 + ... + 1090811.

It is an arithmetic number, because the mean of its divisors is an integer number (22841693488).

Almost surely, 2^453215042021 is an apocalyptic number.

It is an amenable number.

453215042021 is a deficient number, since it is larger than the sum of its proper divisors (94985601691).

453215042021 is an equidigital number, since it uses as much as digits as its factorization.

453215042021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558593 (or 558522 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 453215042021 its reverse (120240512354), we get a palindrome (573455554375).

The spelling of 453215042021 in words is "four hundred fifty-three billion, two hundred fifteen million, forty-two thousand, twenty-one".