16358635453 has 2 divisors, whose sum is σ = 16358635454. Its totient is φ = 16358635452.

The previous prime is 16358635451. The next prime is 16358635463. The reversal of 16358635453 is 35453685361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10675435684 + 5683199769 = 103322^2 + 75387^2 .

It is a cyclic number.

It is not a de Polignac number, because 16358635453 - 2¹ = 16358635451 is a prime.

Together with 16358635451, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16358635397 and 16358635406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16358635451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8179317726 + 8179317727.

It is an arithmetic number, because the mean of its divisors is an integer number (8179317727).

Almost surely, 2^16358635453 is an apocalyptic number.

It is an amenable number.

16358635453 is a deficient number, since it is larger than the sum of its proper divisors (1).

16358635453 is an equidigital number, since it uses as much as digits as its factorization.

16358635453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888000, while the sum is 49.

The spelling of 16358635453 in words is "sixteen billion, three hundred fifty-eight million, six hundred thirty-five thousand, four hundred fifty-three".