64343144134346 has 32 divisors (see below), whose sum is σ = 120353388720768. Its totient is φ = 25063892259840.

The previous prime is 64343144134337. The next prime is 64343144134369.

64343144134346 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64343144134294 and 64343144134303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39747155 + ... + 41334278.

It is an arithmetic number, because the mean of its divisors is an integer number (3761043397524).

Almost surely, 2^{64343144134346} is an apocalyptic number.

64343144134346 is a deficient number, since it is larger than the sum of its proper divisors (56010244586422).

64343144134346 is a wasteful number, since it uses less digits than its factorization.

64343144134346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81086606.

The product of its digits is 11943936, while the sum is 50.

The spelling of 64343144134346 in words is "sixty-four trillion, three hundred forty-three billion, one hundred forty-four million, one hundred thirty-four thousand, three hundred forty-six".