16749277547 has 2 divisors, whose sum is σ = 16749277548. Its totient is φ = 16749277546.

The previous prime is 16749277541. The next prime is 16749277577. The reversal of 16749277547 is 74577294761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16749277547 - 2¹² = 16749273451 is a prime.

It is not a weakly prime, because it can be changed into another prime (16749277541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8374638773 + 8374638774.

It is an arithmetic number, because the mean of its divisors is an integer number (8374638774).

Almost surely, 2^16749277547 is an apocalyptic number.

16749277547 is a deficient number, since it is larger than the sum of its proper divisors (1).

16749277547 is an equidigital number, since it uses as much as digits as its factorization.

16749277547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20744640, while the sum is 59.

The spelling of 16749277547 in words is "sixteen billion, seven hundred forty-nine million, two hundred seventy-seven thousand, five hundred forty-seven".