64464235205 has 16 divisors (see below), whose sum is σ = 81076063104. Its totient is φ = 49111824960.

The previous prime is 64464235163. The next prime is 64464235219. The reversal of 64464235205 is 50253246446.

It is not a de Polignac number, because 64464235205 - 2¹⁴ = 64464218821 is a prime.

It is a super-2 number, since 2×64464235205² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1208606 + ... + 1260815.

It is an arithmetic number, because the mean of its divisors is an integer number (5067253944).

Almost surely, 2^64464235205 is an apocalyptic number.

It is an amenable number.

64464235205 is a deficient number, since it is larger than the sum of its proper divisors (16611827899).

64464235205 is a wasteful number, since it uses less digits than its factorization.

64464235205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469676.

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 64464235205 in words is "sixty-four billion, four hundred sixty-four million, two hundred thirty-five thousand, two hundred five".