13401643065846 has 32 divisors (see below), whose sum is σ = 30662038384128. Its totient is φ = 3825326953920.

The previous prime is 13401643065841. The next prime is 13401643065907. The reversal of 13401643065846 is 64856034610431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13401643065841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154702935 + ... + 154789538.

It is an arithmetic number, because the mean of its divisors is an integer number (958188699504).

Almost surely, 2^{13401643065846} is an apocalyptic number.

13401643065846 is an abundant number, since it is smaller than the sum of its proper divisors (17260395318282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13401643065846 is a wasteful number, since it uses less digits than its factorization.

13401643065846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309493516.

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 13401643065846 in words is "thirteen trillion, four hundred one billion, six hundred forty-three million, sixty-five thousand, eight hundred forty-six".