64882681802 has 4 divisors (see below), whose sum is σ = 97324022706. Its totient is φ = 32441340900.

The previous prime is 64882681793. The next prime is 64882681813. The reversal of 64882681802 is 20818628846.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61697095321 + 3185586481 = 248389^2 + 56441^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16220670449 + ... + 16220670452.

Almost surely, 2^64882681802 is an apocalyptic number.

64882681802 is a deficient number, since it is larger than the sum of its proper divisors (32441340904).

64882681802 is a wasteful number, since it uses less digits than its factorization.

64882681802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32441340903.

The product of its (nonzero) digits is 2359296, while the sum is 53.

The spelling of 64882681802 in words is "sixty-four billion, eight hundred eighty-two million, six hundred eighty-one thousand, eight hundred two".