16453435461 has 4 divisors (see below), whose sum is σ = 21937913952. Its totient is φ = 10968956972.

The previous prime is 16453435459. The next prime is 16453435477.

It is a happy number.

16453435461 is nontrivially palindromic in base 10.

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 16453435461 - 2¹ = 16453435459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16453435561) 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, 2742239241 + ... + 2742239246.

It is an arithmetic number, because the mean of its divisors is an integer number (5484478488).

Almost surely, 2^16453435461 is an apocalyptic number.

It is an amenable number.

16453435461 is a deficient number, since it is larger than the sum of its proper divisors (5484478491).

16453435461 is an equidigital number, since it uses as much as digits as its factorization.

16453435461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484478490.

The product of its digits is 518400, while the sum is 42.

The spelling of 16453435461 in words is "sixteen billion, four hundred fifty-three million, four hundred thirty-five thousand, four hundred sixty-one".