64486355368446 has 48 divisors (see below), whose sum is σ = 153902122657920. Its totient is φ = 19351598250960.

The previous prime is 64486355368427. The next prime is 64486355368453.

It is a happy number.

64486355368446 is a `hidden beast` number, since 6 + 4 + 4 + 8 + 6 + 3 + 5 + 536 + 84 + 4 + 6 = 666.

64486355368446 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1580992536 + ... + 1581033323.

It is an arithmetic number, because the mean of its divisors is an integer number (3206294222040).

Almost surely, 2^{64486355368446} is an apocalyptic number.

64486355368446 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64486355368446 is an abundant number, since it is smaller than the sum of its proper divisors (89415767289474).

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

64486355368446 is a wasteful number, since it uses less digits than its factorization.

64486355368446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162025981 (or 3162025978 counting only the distinct ones).

The product of its digits is 4777574400, while the sum is 72.

The spelling of 64486355368446 in words is "sixty-four trillion, four hundred eighty-six billion, three hundred fifty-five million, three hundred sixty-eight thousand, four hundred forty-six".