4668432620545 has 8 divisors (see below), whose sum is σ = 5603110177896. Its totient is φ = 3734085407616.

The previous prime is 4668432620531. The next prime is 4668432620557. The reversal of 4668432620545 is 5450262348664.

It can be written as a sum of positive squares in 4 ways, for example, as 644861999089 + 4023570621456 = 803033^2 + 2005884^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4668432620545 - 2¹⁷ = 4668432489473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82555012 + ... + 82611541.

It is an arithmetic number, because the mean of its divisors is an integer number (700388772237).

Almost surely, 2^{4668432620545} is an apocalyptic number.

It is an amenable number.

4668432620545 is a deficient number, since it is larger than the sum of its proper divisors (934677557351).

4668432620545 is a wasteful number, since it uses less digits than its factorization.

4668432620545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165172211.

The product of its (nonzero) digits is 33177600, while the sum is 55.

The spelling of 4668432620545 in words is "four trillion, six hundred sixty-eight billion, four hundred thirty-two million, six hundred twenty thousand, five hundred forty-five".