4905810045761 has 2 divisors, whose sum is σ = 4905810045762. Its totient is φ = 4905810045760.

The previous prime is 4905810045749. The next prime is 4905810045803. The reversal of 4905810045761 is 1675400185094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4896346647361 + 9463398400 = 2212769^2 + 97280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4905810045761 is a prime.

It is not a weakly prime, because it can be changed into another prime (4905810045061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2452905022880 + 2452905022881.

It is an arithmetic number, because the mean of its divisors is an integer number (2452905022881).

Almost surely, 2^{4905810045761} is an apocalyptic number.

It is an amenable number.

4905810045761 is a deficient number, since it is larger than the sum of its proper divisors (1).

4905810045761 is an equidigital number, since it uses as much as digits as its factorization.

4905810045761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 4905810045761 in words is "four trillion, nine hundred five billion, eight hundred ten million, forty-five thousand, seven hundred sixty-one".