6445052620603 has 8 divisors (see below), whose sum is σ = 6474645599760. Its totient is φ = 6415527129600.

The previous prime is 6445052620529. The next prime is 6445052620607. The reversal of 6445052620603 is 3060262505446.

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 6445052620603 - 2²¹ = 6445050523451 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 6445052620603.

It is not an unprimeable number, because it can be changed into a prime (6445052620607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16680598 + ... + 17062603.

It is an arithmetic number, because the mean of its divisors is an integer number (809330699970).

Almost surely, 2^{6445052620603} is an apocalyptic number.

6445052620603 is a deficient number, since it is larger than the sum of its proper divisors (29592979157).

6445052620603 is a wasteful number, since it uses less digits than its factorization.

6445052620603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33744077.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 6445052620603 in words is "six trillion, four hundred forty-five billion, fifty-two million, six hundred twenty thousand, six hundred three".