64199512982 has 32 divisors (see below), whose sum is σ = 105762240000. Its totient is φ = 28985299200.

The previous prime is 64199512969. The next prime is 64199512999. The reversal of 64199512982 is 28921599146.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2610182 + ... + 2634662.

It is an arithmetic number, because the mean of its divisors is an integer number (3305070000).

Almost surely, 2^64199512982 is an apocalyptic number.

64199512982 is a deficient number, since it is larger than the sum of its proper divisors (41562727018).

64199512982 is a wasteful number, since it uses less digits than its factorization.

64199512982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25292.

The product of its digits is 2799360, while the sum is 56.

The spelling of 64199512982 in words is "sixty-four billion, one hundred ninety-nine million, five hundred twelve thousand, nine hundred eighty-two".