16731453433 has 2 divisors, whose sum is σ = 16731453434. Its totient is φ = 16731453432.

The previous prime is 16731453421. The next prime is 16731453449. The reversal of 16731453433 is 33435413761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13993233849 + 2738219584 = 118293^2 + 52328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16731453433 is a prime.

It is not a weakly prime, because it can be changed into another prime (16731453413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8365726716 + 8365726717.

It is an arithmetic number, because the mean of its divisors is an integer number (8365726717).

Almost surely, 2^16731453433 is an apocalyptic number.

It is an amenable number.

16731453433 is a deficient number, since it is larger than the sum of its proper divisors (1).

16731453433 is an equidigital number, since it uses as much as digits as its factorization.

16731453433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 40.

The spelling of 16731453433 in words is "sixteen billion, seven hundred thirty-one million, four hundred fifty-three thousand, four hundred thirty-three".