4664736517445 has 4 divisors (see below), whose sum is σ = 5597683820940. Its totient is φ = 3731789213952.

The previous prime is 4664736517381. The next prime is 4664736517471. The reversal of 4664736517445 is 5447156374664.

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 2319507678049 + 2345228839396 = 1522993^2 + 1531414^2 .

It is a cyclic number.

It is not a de Polignac number, because 4664736517445 - 2⁶ = 4664736517381 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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466473651740 + ... + 466473651749.

It is an arithmetic number, because the mean of its divisors is an integer number (1399420955235).

Almost surely, 2^{4664736517445} is an apocalyptic number.

It is an amenable number.

4664736517445 is a deficient number, since it is larger than the sum of its proper divisors (932947303495).

4664736517445 is an equidigital number, since it uses as much as digits as its factorization.

4664736517445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932947303494.

The product of its digits is 203212800, while the sum is 62.

The spelling of 4664736517445 in words is "four trillion, six hundred sixty-four billion, seven hundred thirty-six million, five hundred seventeen thousand, four hundred forty-five".