4845547780665 has 16 divisors (see below), whose sum is σ = 7791835632000. Its totient is φ = 2571305755392.

The previous prime is 4845547780663. The next prime is 4845547780687. The reversal of 4845547780665 is 5660877455484.

It is not a de Polignac number, because 4845547780665 - 2¹ = 4845547780663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4845547780665.

It is not an unprimeable number, because it can be changed into a prime (4845547780663) 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, 811646560 + ... + 811652529.

It is an arithmetic number, because the mean of its divisors is an integer number (486989727000).

Almost surely, 2^{4845547780665} is an apocalyptic number.

It is an amenable number.

4845547780665 is a deficient number, since it is larger than the sum of its proper divisors (2946287851335).

4845547780665 is a wasteful number, since it uses less digits than its factorization.

4845547780665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623299296.

The product of its (nonzero) digits is 903168000, while the sum is 69.

The spelling of 4845547780665 in words is "four trillion, eight hundred forty-five billion, five hundred forty-seven million, seven hundred eighty thousand, six hundred sixty-five".