13310742506 has 4 divisors (see below), whose sum is σ = 19966113762. Its totient is φ = 6655371252.

The previous prime is 13310742503. The next prime is 13310742517. The reversal of 13310742506 is 60524701331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60524701331 = 1231 ⋅49167101.

It can be written as a sum of positive squares in only one way, i.e., 7669380625 + 5641361881 = 87575^2 + 75109^2 .

It is a super-2 number, since 2×13310742506² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13310742503) 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 as a sum of consecutive naturals, namely, 3327685625 + ... + 3327685628.

Almost surely, 2^13310742506 is an apocalyptic number.

13310742506 is a deficient number, since it is larger than the sum of its proper divisors (6655371256).

13310742506 is an equidigital number, since it uses as much as digits as its factorization.

13310742506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655371255.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 13310742506 in words is "thirteen billion, three hundred ten million, seven hundred forty-two thousand, five hundred six".