13430510440349 has 2 divisors, whose sum is σ = 13430510440350. Its totient is φ = 13430510440348.

The previous prime is 13430510440289. The next prime is 13430510440379. The reversal of 13430510440349 is 94304401503431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7109459651449 + 6321050788900 = 2666357^2 + 2514170^2 .

It is a cyclic number.

It is not a de Polignac number, because 13430510440349 - 2¹² = 13430510436253 is a prime.

It is a super-2 number, since 2×13430510440349² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13430510440379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715255220174 + 6715255220175.

It is an arithmetic number, because the mean of its divisors is an integer number (6715255220175).

Almost surely, 2^{13430510440349} is an apocalyptic number.

It is an amenable number.

13430510440349 is a deficient number, since it is larger than the sum of its proper divisors (1).

13430510440349 is an equidigital number, since it uses as much as digits as its factorization.

13430510440349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 13430510440349 in words is "thirteen trillion, four hundred thirty billion, five hundred ten million, four hundred forty thousand, three hundred forty-nine".