13106781467474 has 8 divisors (see below), whose sum is σ = 19684474023420. Its totient is φ = 6545290126336.

The previous prime is 13106781467413. The next prime is 13106781467489. The reversal of 13106781467474 is 47476418760131.

It can be written as a sum of positive squares in 2 ways, for example, as 12818082655225 + 288698812249 = 3580235^2 + 537307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13106781467474² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4050301679 + ... + 4050304914.

Almost surely, 2^{13106781467474} is an apocalyptic number.

13106781467474 is a deficient number, since it is larger than the sum of its proper divisors (6577692555946).

13106781467474 is an equidigital number, since it uses as much as digits as its factorization.

13106781467474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8100607404.

The product of its (nonzero) digits is 18966528, while the sum is 59.

The spelling of 13106781467474 in words is "thirteen trillion, one hundred six billion, seven hundred eighty-one million, four hundred sixty-seven thousand, four hundred seventy-four".