64445733341 has 4 divisors (see below), whose sum is σ = 70304436384. Its totient is φ = 58587030300.

The previous prime is 64445733301. The next prime is 64445733367. The reversal of 64445733341 is 14333754446.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64445733341 - 2⁶ = 64445733277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64445733292 and 64445733301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64445733301) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2929351505 + ... + 2929351526.

It is an arithmetic number, because the mean of its divisors is an integer number (17576109096).

Almost surely, 2^64445733341 is an apocalyptic number.

It is an amenable number.

64445733341 is a deficient number, since it is larger than the sum of its proper divisors (5858703043).

64445733341 is a wasteful number, since it uses less digits than its factorization.

64445733341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858703042.

The product of its digits is 1451520, while the sum is 44.

The spelling of 64445733341 in words is "sixty-four billion, four hundred forty-five million, seven hundred thirty-three thousand, three hundred forty-one".