64445211254446 has 8 divisors (see below), whose sum is σ = 105455800234584. Its totient is φ = 29293277842920.

The previous prime is 64445211254429. The next prime is 64445211254467.

64445211254446 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 64445211254393 and 64445211254402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1464663892125 + ... + 1464663892168.

It is an arithmetic number, because the mean of its divisors is an integer number (13181975029323).

Almost surely, 2^{64445211254446} is an apocalyptic number.

64445211254446 is a deficient number, since it is larger than the sum of its proper divisors (41010588980138).

64445211254446 is a wasteful number, since it uses less digits than its factorization.

64445211254446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929327784306.

The product of its digits is 14745600, while the sum is 52.

It can be divided in two parts, 6444521 and 1254446, that added together give a palindrome (7698967).

The spelling of 64445211254446 in words is "sixty-four trillion, four hundred forty-five billion, two hundred eleven million, two hundred fifty-four thousand, four hundred forty-six".