64453344335446 has 16 divisors (see below), whose sum is σ = 107713132508160. Its totient is φ = 28673634810280.

The previous prime is 64453344335431. The next prime is 64453344335449.

64453344335446 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64453344335449) 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, 31166993326 + ... + 31166995393.

It is an arithmetic number, because the mean of its divisors is an integer number (6732070781760).

Almost surely, 2^{64453344335446} is an apocalyptic number.

64453344335446 is a deficient number, since it is larger than the sum of its proper divisors (43259788172714).

64453344335446 is a wasteful number, since it uses less digits than its factorization.

64453344335446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62333988779.

The product of its digits is 298598400, while the sum is 58.

The spelling of 64453344335446 in words is "sixty-four trillion, four hundred fifty-three billion, three hundred forty-four million, three hundred thirty-five thousand, four hundred forty-six".