64364446346 has 16 divisors (see below), whose sum is σ = 97783670880. Its totient is φ = 31771726800.

The previous prime is 64364446297. The next prime is 64364446381.

64364446346 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64364446346² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64364446294 and 64364446303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389036 + ... + 529223.

It is an arithmetic number, because the mean of its divisors is an integer number (6111479430).

Almost surely, 2^64364446346 is an apocalyptic number.

64364446346 is a deficient number, since it is larger than the sum of its proper divisors (33419224534).

64364446346 is a wasteful number, since it uses less digits than its factorization.

64364446346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918709.

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

The spelling of 64364446346 in words is "sixty-four billion, three hundred sixty-four million, four hundred forty-six thousand, three hundred forty-six".