4544561465657 has 32 divisors (see below), whose sum is σ = 4749013463040. Its totient is φ = 4345341952000.

The previous prime is 4544561465641. The next prime is 4544561465677. The reversal of 4544561465657 is 7565641654454.

It is a cyclic number.

It is not a de Polignac number, because 4544561465657 - 2⁴ = 4544561465641 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 4544561465657.

It is not an unprimeable number, because it can be changed into a prime (4544561465677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1530669269 + ... + 1530672237.

It is an arithmetic number, because the mean of its divisors is an integer number (148406670720).

Almost surely, 2^{4544561465657} is an apocalyptic number.

It is an amenable number.

4544561465657 is a deficient number, since it is larger than the sum of its proper divisors (204451997383).

4544561465657 is a wasteful number, since it uses less digits than its factorization.

4544561465657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025.

The product of its digits is 241920000, while the sum is 62.

The spelling of 4544561465657 in words is "four trillion, five hundred forty-four billion, five hundred sixty-one million, four hundred sixty-five thousand, six hundred fifty-seven".