6464560612045 has 4 divisors (see below), whose sum is σ = 7757472734460. Its totient is φ = 5171648489632.

The previous prime is 6464560611997. The next prime is 6464560612063. The reversal of 6464560612045 is 5402160654646.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2243027410276 + 4221533201769 = 1497674^2 + 2054637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6464560612045 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 6464560612045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646456061200 + ... + 646456061209.

It is an arithmetic number, because the mean of its divisors is an integer number (1939368183615).

Almost surely, 2^{6464560612045} is an apocalyptic number.

It is an amenable number.

6464560612045 is a deficient number, since it is larger than the sum of its proper divisors (1292912122415).

6464560612045 is a wasteful number, since it uses less digits than its factorization.

6464560612045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292912122414.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 6464560612045 in words is "six trillion, four hundred sixty-four billion, five hundred sixty million, six hundred twelve thousand, forty-five".