16438402153 has 2 divisors, whose sum is σ = 16438402154. Its totient is φ = 16438402152.

The previous prime is 16438402133. The next prime is 16438402163. The reversal of 16438402153 is 35120483461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12913367769 + 3525034384 = 113637^2 + 59372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16438402153 is a prime.

It is not a weakly prime, because it can be changed into another prime (16438402133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8219201076 + 8219201077.

It is an arithmetic number, because the mean of its divisors is an integer number (8219201077).

Almost surely, 2^16438402153 is an apocalyptic number.

It is an amenable number.

16438402153 is a deficient number, since it is larger than the sum of its proper divisors (1).

16438402153 is an equidigital number, since it uses as much as digits as its factorization.

16438402153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 16438402153 in words is "sixteen billion, four hundred thirty-eight million, four hundred two thousand, one hundred fifty-three".