13406774620503 has 16 divisors (see below), whose sum is σ = 19501668230400. Its totient is φ = 8124940807680.

The previous prime is 13406774620489. The next prime is 13406774620507. The reversal of 13406774620503 is 30502647760431.

It is not a de Polignac number, because 13406774620503 - 2²¹ = 13406772523351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13406774620507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8706043 + ... + 10129596.

It is an arithmetic number, because the mean of its divisors is an integer number (1218854264400).

Almost surely, 2^{13406774620503} is an apocalyptic number.

13406774620503 is a deficient number, since it is larger than the sum of its proper divisors (6094893609897).

13406774620503 is a wasteful number, since it uses less digits than its factorization.

13406774620503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18857222.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 13406774620503 in words is "thirteen trillion, four hundred six billion, seven hundred seventy-four million, six hundred twenty thousand, five hundred three".