13733195981 has 2 divisors, whose sum is σ = 13733195982. Its totient is φ = 13733195980.

The previous prime is 13733195933. The next prime is 13733195989. The reversal of 13733195981 is 18959133731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6911261956 + 6821934025 = 83134^2 + 82595^2 .

It is a cyclic number.

It is not a de Polignac number, because 13733195981 - 2¹⁰ = 13733194957 is a prime.

It is a super-2 number, since 2×13733195981² (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 (13733195989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6866597990 + 6866597991.

It is an arithmetic number, because the mean of its divisors is an integer number (6866597991).

Almost surely, 2^13733195981 is an apocalyptic number.

It is an amenable number.

13733195981 is a deficient number, since it is larger than the sum of its proper divisors (1).

13733195981 is an equidigital number, since it uses as much as digits as its factorization.

13733195981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 50.

The spelling of 13733195981 in words is "thirteen billion, seven hundred thirty-three million, one hundred ninety-five thousand, nine hundred eighty-one".