16649009383 has 2 divisors, whose sum is σ = 16649009384. Its totient is φ = 16649009382.

The previous prime is 16649009339. The next prime is 16649009411. The reversal of 16649009383 is 38390094661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16649009383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16649003383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8324504691 + 8324504692.

It is an arithmetic number, because the mean of its divisors is an integer number (8324504692).

Almost surely, 2^16649009383 is an apocalyptic number.

16649009383 is a deficient number, since it is larger than the sum of its proper divisors (1).

16649009383 is an equidigital number, since it uses as much as digits as its factorization.

16649009383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 16649009383 in words is "sixteen billion, six hundred forty-nine million, nine thousand, three hundred eighty-three".