2045465566321 has 8 divisors (see below), whose sum is σ = 2047139324480. Its totient is φ = 2043791970192.

The previous prime is 2045465566301. The next prime is 2045465566363. The reversal of 2045465566321 is 1236655645402.

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 2045465566321 - 2¹⁷ = 2045465435249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045465566301) 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, 46277410 + ... + 46321588.

It is an arithmetic number, because the mean of its divisors is an integer number (255892415560).

Almost surely, 2^{2045465566321} is an apocalyptic number.

It is an amenable number.

2045465566321 is a deficient number, since it is larger than the sum of its proper divisors (1673758159).

2045465566321 is a wasteful number, since it uses less digits than its factorization.

2045465566321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81015.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 2045465566321 in words is "two trillion, forty-five billion, four hundred sixty-five million, five hundred sixty-six thousand, three hundred twenty-one".