64333983041 has 4 divisors (see below), whose sum is σ = 64340640852. Its totient is φ = 64327325232.

The previous prime is 64333983019. The next prime is 64333983113. The reversal of 64333983041 is 14038933346.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47141528641 + 17192454400 = 217121^2 + 131120^2 .

It is a cyclic number.

It is not a de Polignac number, because 64333983041 - 2¹⁸ = 64333720897 is a prime.

It is a super-2 number, since 2×64333983041² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64333982983 and 64333983001.

It is not an unprimeable number, because it can be changed into a prime (64333983001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3314390 + ... + 3333743.

It is an arithmetic number, because the mean of its divisors is an integer number (16085160213).

Almost surely, 2^64333983041 is an apocalyptic number.

It is an amenable number.

64333983041 is a deficient number, since it is larger than the sum of its proper divisors (6657811).

64333983041 is an equidigital number, since it uses as much as digits as its factorization.

64333983041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657810.

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 64333983041 in words is "sixty-four billion, three hundred thirty-three million, nine hundred eighty-three thousand, forty-one".