13347628380481 has 8 divisors (see below), whose sum is σ = 13468136749704. Its totient is φ = 13227161902080.

The previous prime is 13347628380469. The next prime is 13347628380503. The reversal of 13347628380481 is 18408382674331.

It can be written as a sum of positive squares in 4 ways, for example, as 5886645390081 + 7460982990400 = 2426241^2 + 2731480^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13347628380481 is a prime.

It is a super-2 number, since 2×13347628380481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13347628380461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9832396 + ... + 11107261.

It is an arithmetic number, because the mean of its divisors is an integer number (1683517093713).

Almost surely, 2^{13347628380481} is an apocalyptic number.

It is an amenable number.

13347628380481 is a deficient number, since it is larger than the sum of its proper divisors (120508369223).

13347628380481 is a wasteful number, since it uses less digits than its factorization.

13347628380481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20945411.

The product of its (nonzero) digits is 18579456, while the sum is 58.

The spelling of 13347628380481 in words is "thirteen trillion, three hundred forty-seven billion, six hundred twenty-eight million, three hundred eighty thousand, four hundred eighty-one".