64946831283 has 12 divisors (see below), whose sum is σ = 95582129760. Its totient is φ = 42480945936.

The previous prime is 64946831273. The next prime is 64946831317. The reversal of 64946831283 is 38213864946.

64946831283 is a `hidden beast` number, since 6 + 494 + 68 + 3 + 12 + 83 = 666.

It is not a de Polignac number, because 64946831283 - 2⁴ = 64946831267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64946831273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68077963 + ... + 68078916.

It is an arithmetic number, because the mean of its divisors is an integer number (7965177480).

Almost surely, 2^64946831283 is an apocalyptic number.

64946831283 is a deficient number, since it is larger than the sum of its proper divisors (30635298477).

64946831283 is a wasteful number, since it uses less digits than its factorization.

64946831283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136156938 (or 136156935 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The spelling of 64946831283 in words is "sixty-four billion, nine hundred forty-six million, eight hundred thirty-one thousand, two hundred eighty-three".