1605286469023 has 2 divisors, whose sum is σ = 1605286469024. Its totient is φ = 1605286469022.

The previous prime is 1605286468993. The next prime is 1605286469057. The reversal of 1605286469023 is 3209646825061.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1605286469023 is a prime.

It is a super-2 number, since 2×1605286469023² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1605286469323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802643234511 + 802643234512.

It is an arithmetic number, because the mean of its divisors is an integer number (802643234512).

Almost surely, 2^{1605286469023} is an apocalyptic number.

1605286469023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1605286469023 is an equidigital number, since it uses as much as digits as its factorization.

1605286469023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 1605286469023 in words is "one trillion, six hundred five billion, two hundred eighty-six million, four hundred sixty-nine thousand, twenty-three".