64519452002 has 8 divisors (see below), whose sum is σ = 97667060700. Its totient is φ = 31963765104.

The previous prime is 64519451993. The next prime is 64519452013. The reversal of 64519452002 is 20025491546.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62324623201 + 2194828801 = 249649^2 + 46849^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 147980177 + ... + 147980612.

Almost surely, 2^64519452002 is an apocalyptic number.

64519452002 is a deficient number, since it is larger than the sum of its proper divisors (33147608698).

64519452002 is a wasteful number, since it uses less digits than its factorization.

64519452002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295960900.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 64519452002 in words is "sixty-four billion, five hundred nineteen million, four hundred fifty-two thousand, two".