13783464389 has 2 divisors, whose sum is σ = 13783464390. Its totient is φ = 13783464388.

The previous prime is 13783464377. The next prime is 13783464437. The reversal of 13783464389 is 98346438731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7690413025 + 6093051364 = 87695^2 + 78058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13783464389 is a prime.

It is a super-2 number, since 2×13783464389² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13783464589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6891732194 + 6891732195.

It is an arithmetic number, because the mean of its divisors is an integer number (6891732195).

Almost surely, 2^13783464389 is an apocalyptic number.

It is an amenable number.

13783464389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13783464389 is an equidigital number, since it uses as much as digits as its factorization.

13783464389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 56.

The spelling of 13783464389 in words is "thirteen billion, seven hundred eighty-three million, four hundred sixty-four thousand, three hundred eighty-nine".