64372732578383 has 32 divisors (see below), whose sum is σ = 70195322234880. Its totient is φ = 58807900800000.

The previous prime is 64372732578377. The next prime is 64372732578439. The reversal of 64372732578383 is 38387523727346.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64372732578383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64372732578313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223527083 + ... + 223814883.

It is an arithmetic number, because the mean of its divisors is an integer number (2193603819840).

Almost surely, 2^{64372732578383} is an apocalyptic number.

64372732578383 is a deficient number, since it is larger than the sum of its proper divisors (5822589656497).

64372732578383 is a wasteful number, since it uses less digits than its factorization.

64372732578383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289199.

The product of its digits is 853493760, while the sum is 68.

The spelling of 64372732578383 in words is "sixty-four trillion, three hundred seventy-two billion, seven hundred thirty-two million, five hundred seventy-eight thousand, three hundred eighty-three".