13465932481 has 2 divisors, whose sum is σ = 13465932482. Its totient is φ = 13465932480.

The previous prime is 13465932461. The next prime is 13465932497. The reversal of 13465932481 is 18423956431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10734824881 + 2731107600 = 103609^2 + 52260^2 .

It is a cyclic number.

It is not a de Polignac number, because 13465932481 - 2¹⁹ = 13465408193 is a prime.

It is a super-2 number, since 2×13465932481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13465932421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6732966240 + 6732966241.

It is an arithmetic number, because the mean of its divisors is an integer number (6732966241).

Almost surely, 2^13465932481 is an apocalyptic number.

It is an amenable number.

13465932481 is a deficient number, since it is larger than the sum of its proper divisors (1).

13465932481 is an equidigital number, since it uses as much as digits as its factorization.

13465932481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The spelling of 13465932481 in words is "thirteen billion, four hundred sixty-five million, nine hundred thirty-two thousand, four hundred eighty-one".