13069880981 has 2 divisors, whose sum is σ = 13069880982. Its totient is φ = 13069880980.

The previous prime is 13069880897. The next prime is 13069880983. The reversal of 13069880981 is 18908896031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12282180625 + 787700356 = 110825^2 + 28066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13069880981 is a prime.

It is a super-2 number, since 2×13069880981² (a number of 21 digits) contains 22 as substring.

Together with 13069880983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13069880983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6534940490 + 6534940491.

It is an arithmetic number, because the mean of its divisors is an integer number (6534940491).

Almost surely, 2^13069880981 is an apocalyptic number.

It is an amenable number.

13069880981 is a deficient number, since it is larger than the sum of its proper divisors (1).

13069880981 is an equidigital number, since it uses as much as digits as its factorization.

13069880981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 53.

The spelling of 13069880981 in words is "thirteen billion, sixty-nine million, eight hundred eighty thousand, nine hundred eighty-one".