4945643505573 has 16 divisors (see below), whose sum is σ = 6600303084672. Its totient is φ = 3294040320000.

The previous prime is 4945643505563. The next prime is 4945643505581. The reversal of 4945643505573 is 3755053465494.

It is not a de Polignac number, because 4945643505573 - 2²² = 4945639311269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4945643505563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42027888 + ... + 42145398.

It is an arithmetic number, because the mean of its divisors is an integer number (412518942792).

Almost surely, 2^{4945643505573} is an apocalyptic number.

It is an amenable number.

4945643505573 is a deficient number, since it is larger than the sum of its proper divisors (1654659579099).

4945643505573 is a wasteful number, since it uses less digits than its factorization.

4945643505573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130396.

The product of its (nonzero) digits is 136080000, while the sum is 60.

The spelling of 4945643505573 in words is "four trillion, nine hundred forty-five billion, six hundred forty-three million, five hundred five thousand, five hundred seventy-three".