16747745633 has 2 divisors, whose sum is σ = 16747745634. Its totient is φ = 16747745632.

The previous prime is 16747745621. The next prime is 16747745741. The reversal of 16747745633 is 33654774761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16663711744 + 84033889 = 129088^2 + 9167^2 .

It is a cyclic number.

It is not a de Polignac number, because 16747745633 - 2⁴ = 16747745617 is a prime.

It is not a weakly prime, because it can be changed into another prime (16747745233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8373872816 + 8373872817.

It is an arithmetic number, because the mean of its divisors is an integer number (8373872817).

Almost surely, 2^16747745633 is an apocalyptic number.

It is an amenable number.

16747745633 is a deficient number, since it is larger than the sum of its proper divisors (1).

16747745633 is an equidigital number, since it uses as much as digits as its factorization.

16747745633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8890560, while the sum is 53.

The spelling of 16747745633 in words is "sixteen billion, seven hundred forty-seven million, seven hundred forty-five thousand, six hundred thirty-three".