16085233849 has 2 divisors, whose sum is σ = 16085233850. Its totient is φ = 16085233848.

The previous prime is 16085233831. The next prime is 16085233861. The reversal of 16085233849 is 94833258061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15651761449 + 433472400 = 125107^2 + 20820^2 .

It is a cyclic number.

It is not a de Polignac number, because 16085233849 - 2⁷ = 16085233721 is a prime.

It is not a weakly prime, because it can be changed into another prime (16085233889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8042616924 + 8042616925.

It is an arithmetic number, because the mean of its divisors is an integer number (8042616925).

Almost surely, 2^16085233849 is an apocalyptic number.

It is an amenable number.

16085233849 is a deficient number, since it is larger than the sum of its proper divisors (1).

16085233849 is an equidigital number, since it uses as much as digits as its factorization.

16085233849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 16085233849 in words is "sixteen billion, eighty-five million, two hundred thirty-three thousand, eight hundred forty-nine".