2021545322530 has 16 divisors (see below), whose sum is σ = 3638800327680. Its totient is φ = 808613962992.

The previous prime is 2021545322527. The next prime is 2021545322543. The reversal of 2021545322530 is 352235451202.

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, 2188447 + ... + 2971933.

It is an arithmetic number, because the mean of its divisors is an integer number (227425020480).

Almost surely, 2^{2021545322530} is an apocalyptic number.

2021545322530 is a deficient number, since it is larger than the sum of its proper divisors (1617255005150).

2021545322530 is a wasteful number, since it uses less digits than its factorization.

2021545322530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041513.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 2021545322530 in words is "two trillion, twenty-one billion, five hundred forty-five million, three hundred twenty-two thousand, five hundred thirty".