13403468437 has 2 divisors, whose sum is σ = 13403468438. Its totient is φ = 13403468436.

The previous prime is 13403468387. The next prime is 13403468453. The reversal of 13403468437 is 73486430431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12858199236 + 545269201 = 113394^2 + 23351^2 .

It is a cyclic number.

It is not a de Polignac number, because 13403468437 - 2¹¹ = 13403466389 is a prime.

It is a super-2 number, since 2×13403468437² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13403468393 and 13403468402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13403438437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701734218 + 6701734219.

It is an arithmetic number, because the mean of its divisors is an integer number (6701734219).

Almost surely, 2^13403468437 is an apocalyptic number.

It is an amenable number.

13403468437 is a deficient number, since it is larger than the sum of its proper divisors (1).

13403468437 is an equidigital number, since it uses as much as digits as its factorization.

13403468437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 43.

Adding to 13403468437 its reverse (73486430431), we get a palindrome (86889898868).

The spelling of 13403468437 in words is "thirteen billion, four hundred three million, four hundred sixty-eight thousand, four hundred thirty-seven".