13430465281 has 2 divisors, whose sum is σ = 13430465282. Its totient is φ = 13430465280.

The previous prime is 13430465261. The next prime is 13430465303. The reversal of 13430465281 is 18256403431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13307698881 + 122766400 = 115359^2 + 11080^2 .

It is a cyclic number.

It is not a de Polignac number, because 13430465281 - 2¹⁵ = 13430432513 is a prime.

It is a super-2 number, since 2×13430465281² (a number of 21 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 13430465281.

It is not a weakly prime, because it can be changed into another prime (13430465201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715232640 + 6715232641.

It is an arithmetic number, because the mean of its divisors is an integer number (6715232641).

Almost surely, 2^13430465281 is an apocalyptic number.

It is an amenable number.

13430465281 is a deficient number, since it is larger than the sum of its proper divisors (1).

13430465281 is an equidigital number, since it uses as much as digits as its factorization.

13430465281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 13430465281 in words is "thirteen billion, four hundred thirty million, four hundred sixty-five thousand, two hundred eighty-one".