64083509870 has 16 divisors (see below), whose sum is σ = 115698814128. Its totient is φ = 25555960320.

The previous prime is 64083509863. The next prime is 64083509911. The reversal of 64083509870 is 7890538046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9676979 + ... + 9683598.

It is an arithmetic number, because the mean of its divisors is an integer number (7231175883).

Almost surely, 2^64083509870 is an apocalyptic number.

64083509870 is a deficient number, since it is larger than the sum of its proper divisors (51615304258).

64083509870 is a wasteful number, since it uses less digits than its factorization.

64083509870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19360915.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 64083509870 in words is "sixty-four billion, eighty-three million, five hundred nine thousand, eight hundred seventy".