16447839011 has 2 divisors, whose sum is σ = 16447839012. Its totient is φ = 16447839010.

The previous prime is 16447838977. The next prime is 16447839017. The reversal of 16447839011 is 11093874461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16447839011 is a prime.

It is not a weakly prime, because it can be changed into another prime (16447839017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8223919505 + 8223919506.

It is an arithmetic number, because the mean of its divisors is an integer number (8223919506).

Almost surely, 2^16447839011 is an apocalyptic number.

16447839011 is a deficient number, since it is larger than the sum of its proper divisors (1).

16447839011 is an equidigital number, since it uses as much as digits as its factorization.

16447839011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 16447839011 in words is "sixteen billion, four hundred forty-seven million, eight hundred thirty-nine thousand, eleven".