64008460021 has 16 divisors (see below), whose sum is σ = 70116608448. Its totient is φ = 57948739200.

The previous prime is 64008460003. The next prime is 64008460031. The reversal of 64008460021 is 12006480046.

It is not a de Polignac number, because 64008460021 - 2¹⁵ = 64008427253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64008460001) 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 15 ways as a sum of consecutive naturals, for example, 7341961 + ... + 7350673.

It is an arithmetic number, because the mean of its divisors is an integer number (4382288028).

Almost surely, 2^64008460021 is an apocalyptic number.

It is an amenable number.

64008460021 is a deficient number, since it is larger than the sum of its proper divisors (6108148427).

64008460021 is a wasteful number, since it uses less digits than its factorization.

64008460021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11412.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 64008460021 in words is "sixty-four billion, eight million, four hundred sixty thousand, twenty-one".