64021274483 has 4 divisors (see below), whose sum is σ = 64681287720. Its totient is φ = 63361261248.

The previous prime is 64021274357. The next prime is 64021274509. The reversal of 64021274483 is 38447212046.

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

It is a cyclic number.

It is not a de Polignac number, because 64021274483 - 2¹⁴ = 64021258099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64021274483.

It is not an unprimeable number, because it can be changed into a prime (64021274683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330006473 + ... + 330006666.

It is an arithmetic number, because the mean of its divisors is an integer number (16170321930).

Almost surely, 2^64021274483 is an apocalyptic number.

64021274483 is a deficient number, since it is larger than the sum of its proper divisors (660013237).

64021274483 is an equidigital number, since it uses as much as digits as its factorization.

64021274483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660013236.

The product of its (nonzero) digits is 258048, while the sum is 41.

The spelling of 64021274483 in words is "sixty-four billion, twenty-one million, two hundred seventy-four thousand, four hundred eighty-three".