64201683443 has 8 divisors (see below), whose sum is σ = 67002102816. Its totient is φ = 61402017600.

The previous prime is 64201683419. The next prime is 64201683467. The reversal of 64201683443 is 34438610246.

It is an interprime number because it is at equal distance from previous prime (64201683419) and next prime (64201683467).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64201683443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64201683443.

It is not an unprimeable number, because it can be changed into a prime (64201383443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10688 + ... + 358493.

It is an arithmetic number, because the mean of its divisors is an integer number (8375262852).

Almost surely, 2^64201683443 is an apocalyptic number.

64201683443 is a deficient number, since it is larger than the sum of its proper divisors (2800419373).

64201683443 is a wasteful number, since it uses less digits than its factorization.

64201683443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376765.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 64201683443 in words is "sixty-four billion, two hundred one million, six hundred eighty-three thousand, four hundred forty-three".