13453896961 has 2 divisors, whose sum is σ = 13453896962. Its totient is φ = 13453896960.

The previous prime is 13453896959. The next prime is 13453896971. The reversal of 13453896961 is 16969835431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12826695025 + 627201936 = 113255^2 + 25044^2 .

It is a cyclic number.

It is not a de Polignac number, because 13453896961 - 2¹ = 13453896959 is a prime.

Together with 13453896959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13453896931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6726948480 + 6726948481.

It is an arithmetic number, because the mean of its divisors is an integer number (6726948481).

Almost surely, 2^13453896961 is an apocalyptic number.

It is an amenable number.

13453896961 is a deficient number, since it is larger than the sum of its proper divisors (1).

13453896961 is an equidigital number, since it uses as much as digits as its factorization.

13453896961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 55.

The spelling of 13453896961 in words is "thirteen billion, four hundred fifty-three million, eight hundred ninety-six thousand, nine hundred sixty-one".