16453031035021 has 4 divisors (see below), whose sum is σ = 18803464040032. Its totient is φ = 14102598030012.

The previous prime is 16453031035019. The next prime is 16453031035031. The reversal of 16453031035021 is 12053013035461.

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 16453031035021 - 2¹ = 16453031035019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16453031035031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175216502495 + ... + 1175216502508.

It is an arithmetic number, because the mean of its divisors is an integer number (4700866010008).

Almost surely, 2^{16453031035021} is an apocalyptic number.

It is an amenable number.

16453031035021 is a deficient number, since it is larger than the sum of its proper divisors (2350433005011).

16453031035021 is an equidigital number, since it uses as much as digits as its factorization.

16453031035021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350433005010.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 16453031035021 in words is "sixteen trillion, four hundred fifty-three billion, thirty-one million, thirty-five thousand, twenty-one".