16035554449 has 2 divisors, whose sum is σ = 16035554450. Its totient is φ = 16035554448.

The previous prime is 16035554407. The next prime is 16035554459. The reversal of 16035554449 is 94445553061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15683053824 + 352500625 = 125232^2 + 18775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16035554449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16035554399 and 16035554408.

It is not a weakly prime, because it can be changed into another prime (16035554459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8017777224 + 8017777225.

It is an arithmetic number, because the mean of its divisors is an integer number (8017777225).

Almost surely, 2^16035554449 is an apocalyptic number.

It is an amenable number.

16035554449 is a deficient number, since it is larger than the sum of its proper divisors (1).

16035554449 is an equidigital number, since it uses as much as digits as its factorization.

16035554449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 16035554449 in words is "sixteen billion, thirty-five million, five hundred fifty-four thousand, four hundred forty-nine".