13346418457 has 8 divisors (see below), whose sum is σ = 13484446920. Its totient is φ = 13208505600.

The previous prime is 13346418401. The next prime is 13346418469. The reversal of 13346418457 is 75481464331.

It can be written as a sum of positive squares in 4 ways, for example, as 6837801481 + 6508616976 = 82691^2 + 80676^2 .

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 13346418457 - 2⁷ = 13346418329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13346418257) 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, 213633 + ... + 268945.

It is an arithmetic number, because the mean of its divisors is an integer number (1685555865).

Almost surely, 2^13346418457 is an apocalyptic number.

It is an amenable number.

13346418457 is a deficient number, since it is larger than the sum of its proper divisors (138028463).

13346418457 is a wasteful number, since it uses less digits than its factorization.

13346418457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57803.

The product of its digits is 967680, while the sum is 46.

The spelling of 13346418457 in words is "thirteen billion, three hundred forty-six million, four hundred eighteen thousand, four hundred fifty-seven".