13400864465857 has 8 divisors (see below), whose sum is σ = 14619162680640. Its totient is φ = 12182572552560.

The previous prime is 13400864465837. The next prime is 13400864465861. The reversal of 13400864465857 is 75856446800431.

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

It is a cyclic number.

It is not a de Polignac number, because 13400864465857 - 2²³ = 13400856077249 is a prime.

It is a super-3 number, since 3×13400864465857³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13400864465795 and 13400864465804.

It is not an unprimeable number, because it can be changed into a prime (13400864465837) 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, 3614619 + ... + 6314047.

It is an arithmetic number, because the mean of its divisors is an integer number (1827395335080).

Almost surely, 2^{13400864465857} is an apocalyptic number.

It is an amenable number.

13400864465857 is a deficient number, since it is larger than the sum of its proper divisors (1218298214783).

13400864465857 is a wasteful number, since it uses less digits than its factorization.

13400864465857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150743.

The product of its (nonzero) digits is 77414400, while the sum is 61.

The spelling of 13400864465857 in words is "thirteen trillion, four hundred billion, eight hundred sixty-four million, four hundred sixty-five thousand, eight hundred fifty-seven".