13078937784337 has 2 divisors, whose sum is σ = 13078937784338. Its totient is φ = 13078937784336.

The previous prime is 13078937784247. The next prime is 13078937784343. The reversal of 13078937784337 is 73348773987031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12288943902481 + 789993881856 = 3505559^2 + 888816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13078937784337 is a prime.

It is a super-2 number, since 2×13078937784337² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13078937184337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6539468892168 + 6539468892169.

It is an arithmetic number, because the mean of its divisors is an integer number (6539468892169).

Almost surely, 2^{13078937784337} is an apocalyptic number.

It is an amenable number.

13078937784337 is a deficient number, since it is larger than the sum of its proper divisors (1).

13078937784337 is an equidigital number, since it uses as much as digits as its factorization.

13078937784337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448084224, while the sum is 70.

The spelling of 13078937784337 in words is "thirteen trillion, seventy-eight billion, nine hundred thirty-seven million, seven hundred eighty-four thousand, three hundred thirty-seven".