13965557743 has 2 divisors, whose sum is σ = 13965557744. Its totient is φ = 13965557742.

The previous prime is 13965557713. The next prime is 13965557773. The reversal of 13965557743 is 34775556931.

It is a balanced prime because it is at equal distance from previous prime (13965557713) and next prime (13965557773).

It is an emirp because it is prime and its reverse (34775556931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13965557743 - 2²¹ = 13963460591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13965557713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6982778871 + 6982778872.

It is an arithmetic number, because the mean of its divisors is an integer number (6982778872).

Almost surely, 2^13965557743 is an apocalyptic number.

13965557743 is a deficient number, since it is larger than the sum of its proper divisors (1).

13965557743 is an equidigital number, since it uses as much as digits as its factorization.

13965557743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11907000, while the sum is 55.

The spelling of 13965557743 in words is "thirteen billion, nine hundred sixty-five million, five hundred fifty-seven thousand, seven hundred forty-three".