64064828631 has 8 divisors (see below), whose sum is σ = 85464998640. Its totient is φ = 42687272192.

The previous prime is 64064828629. The next prime is 64064828651. The reversal of 64064828631 is 13682846046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64064828631 - 2¹ = 64064828629 is a prime.

It is a super-2 number, since 2×64064828631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64064828651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5646780 + ... + 5658113.

It is an arithmetic number, because the mean of its divisors is an integer number (10683124830).

Almost surely, 2^64064828631 is an apocalyptic number.

64064828631 is a deficient number, since it is larger than the sum of its proper divisors (21400170009).

64064828631 is a wasteful number, since it uses less digits than its factorization.

64064828631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11306785.

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 64064828631 in words is "sixty-four billion, sixty-four million, eight hundred twenty-eight thousand, six hundred thirty-one".