64302982643 has 4 divisors (see below), whose sum is σ = 65798400888. Its totient is φ = 62807564400.

The previous prime is 64302982637. The next prime is 64302982691. The reversal of 64302982643 is 34628920346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34628920346 = 2 ⋅17314460173.

It is a cyclic number.

It is not a de Polignac number, because 64302982643 - 2²⁴ = 64286205427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64302988643) 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, 747709058 + ... + 747709143.

It is an arithmetic number, because the mean of its divisors is an integer number (16449600222).

Almost surely, 2^64302982643 is an apocalyptic number.

64302982643 is a deficient number, since it is larger than the sum of its proper divisors (1495418245).

64302982643 is a wasteful number, since it uses less digits than its factorization.

64302982643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495418244.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 64302982643 in words is "sixty-four billion, three hundred two million, nine hundred eighty-two thousand, six hundred forty-three".