452335012406021 has 4 divisors (see below), whose sum is σ = 472001752075872. Its totient is φ = 432668272736172.

The previous prime is 452335012406003. The next prime is 452335012406023. The reversal of 452335012406021 is 120604210533254.

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 452335012406021 - 2²² = 452335008211717 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 (452335012406023) 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, 9833369834891 + ... + 9833369834936.

It is an arithmetic number, because the mean of its divisors is an integer number (118000438018968).

Almost surely, 2^{452335012406021} is an apocalyptic number.

It is an amenable number.

452335012406021 is a deficient number, since it is larger than the sum of its proper divisors (19666739669851).

452335012406021 is a wasteful number, since it uses less digits than its factorization.

452335012406021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19666739669850.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 452335012406021 its reverse (120604210533254), we get a palindrome (572939222939275).

The spelling of 452335012406021 in words is "four hundred fifty-two trillion, three hundred thirty-five billion, twelve million, four hundred six thousand, twenty-one".