13709114505649 has 2 divisors, whose sum is σ = 13709114505650. Its totient is φ = 13709114505648.

The previous prime is 13709114505607. The next prime is 13709114505701. The reversal of 13709114505649 is 94650541190731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7657711304049 + 6051403201600 = 2767257^2 + 2459960^2 .

It is an emirp because it is prime and its reverse (94650541190731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13709114505649 - 2¹⁵ = 13709114472881 is a prime.

It is a super-2 number, since 2×13709114505649² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13709114505649.

It is not a weakly prime, because it can be changed into another prime (13709114505949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6854557252824 + 6854557252825.

It is an arithmetic number, because the mean of its divisors is an integer number (6854557252825).

Almost surely, 2^{13709114505649} is an apocalyptic number.

It is an amenable number.

13709114505649 is a deficient number, since it is larger than the sum of its proper divisors (1).

13709114505649 is an equidigital number, since it uses as much as digits as its factorization.

13709114505649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 13709114505649 in words is "thirteen trillion, seven hundred nine billion, one hundred fourteen million, five hundred five thousand, six hundred forty-nine".