1605465061763 has 2 divisors, whose sum is σ = 1605465061764. Its totient is φ = 1605465061762.

The previous prime is 1605465061727. The next prime is 1605465061801. The reversal of 1605465061763 is 3671605645061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1605465061763 - 2¹⁶ = 1605464996227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1605465061723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802732530881 + 802732530882.

It is an arithmetic number, because the mean of its divisors is an integer number (802732530882).

Almost surely, 2^{1605465061763} is an apocalyptic number.

1605465061763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1605465061763 is an equidigital number, since it uses as much as digits as its factorization.

1605465061763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 1605465061763 in words is "one trillion, six hundred five billion, four hundred sixty-five million, sixty-one thousand, seven hundred sixty-three".