13773543473 has 2 divisors, whose sum is σ = 13773543474. Its totient is φ = 13773543472.

The previous prime is 13773543457. The next prime is 13773543493. The reversal of 13773543473 is 37434537731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13555479184 + 218064289 = 116428^2 + 14767^2 .

It is a cyclic number.

It is not a de Polignac number, because 13773543473 - 2⁴ = 13773543457 is a prime.

It is not a weakly prime, because it can be changed into another prime (13773543493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6886771736 + 6886771737.

It is an arithmetic number, because the mean of its divisors is an integer number (6886771737).

Almost surely, 2^13773543473 is an apocalyptic number.

It is an amenable number.

13773543473 is a deficient number, since it is larger than the sum of its proper divisors (1).

13773543473 is an equidigital number, since it uses as much as digits as its factorization.

13773543473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2222640, while the sum is 47.

The spelling of 13773543473 in words is "thirteen billion, seven hundred seventy-three million, five hundred forty-three thousand, four hundred seventy-three".