64783848418 has 16 divisors (see below), whose sum is σ = 99483595200. Its totient is φ = 31623376176.

The previous prime is 64783848379. The next prime is 64783848463. The reversal of 64783848418 is 81484838746.

It is a super-2 number, since 2×64783848418² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993 + ... + 359956.

It is an arithmetic number, because the mean of its divisors is an integer number (6217724700).

Almost surely, 2^64783848418 is an apocalyptic number.

64783848418 is a deficient number, since it is larger than the sum of its proper divisors (34699746782).

64783848418 is a wasteful number, since it uses less digits than its factorization.

64783848418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363081.

The product of its digits is 33030144, while the sum is 61.

The spelling of 64783848418 in words is "sixty-four billion, seven hundred eighty-three million, eight hundred forty-eight thousand, four hundred eighteen".