64532001005 has 16 divisors (see below), whose sum is σ = 77713032960. Its totient is φ = 51442746432.

The previous prime is 64532000993. The next prime is 64532001019. The reversal of 64532001005 is 50010023546.

It is a cyclic number.

It is not a de Polignac number, because 64532001005 - 2⁴ = 64532000989 is a prime.

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, 2329526 + ... + 2357064.

It is an arithmetic number, because the mean of its divisors is an integer number (4857064560).

Almost surely, 2^64532001005 is an apocalyptic number.

It is an amenable number.

64532001005 is a deficient number, since it is larger than the sum of its proper divisors (13181031955).

64532001005 is a wasteful number, since it uses less digits than its factorization.

64532001005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29188.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 64532001005 in words is "sixty-four billion, five hundred thirty-two million, one thousand, five".