16451435207453 has 2 divisors, whose sum is σ = 16451435207454. Its totient is φ = 16451435207452.

The previous prime is 16451435207437. The next prime is 16451435207531. The reversal of 16451435207453 is 35470253415461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16404743776729 + 46691430724 = 4050277^2 + 216082^2 .

It is a cyclic number.

It is not a de Polignac number, because 16451435207453 - 2⁴ = 16451435207437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16451435207953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8225717603726 + 8225717603727.

It is an arithmetic number, because the mean of its divisors is an integer number (8225717603727).

Almost surely, 2^{16451435207453} is an apocalyptic number.

It is an amenable number.

16451435207453 is a deficient number, since it is larger than the sum of its proper divisors (1).

16451435207453 is an equidigital number, since it uses as much as digits as its factorization.

16451435207453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 16451435207453 in words is "sixteen trillion, four hundred fifty-one billion, four hundred thirty-five million, two hundred seven thousand, four hundred fifty-three".