16453962529 has 3 divisors (see below), whose sum is σ = 16454090803. Its totient is φ = 16453834256.

The previous prime is 16453962439. The next prime is 16453962563. The reversal of 16453962529 is 92526935461.

The square root of 16453962529 is 128273.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 387893025 + 16066069504 = 19695^2 + 126752^2 .

It is not a de Polignac number, because 16453962529 - 2⁷ = 16453962401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16453912529) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 64137 + ... + 192409.

Almost surely, 2^16453962529 is an apocalyptic number.

16453962529 is the 128273-rd square number.

16453962529 is the 64137-th centered octagonal number.

It is an amenable number.

16453962529 is a deficient number, since it is larger than the sum of its proper divisors (128274).

16453962529 is an frugal number, since it uses more digits than its factorization.

16453962529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256546 (or 128273 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 52.

The spelling of 16453962529 in words is "sixteen billion, four hundred fifty-three million, nine hundred sixty-two thousand, five hundred twenty-nine".