4505727731 has 2 divisors, whose sum is σ = 4505727732. Its totient is φ = 4505727730.

The previous prime is 4505727713. The next prime is 4505727757. The reversal of 4505727731 is 1377275054.

Together with previous prime (4505727713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4505727731 - 2¹⁴ = 4505711347 is a prime.

It is a super-2 number, since 2×4505727731² = 40603164771804816722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4505727131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2252863865 + 2252863866.

It is an arithmetic number, because the mean of its divisors is an integer number (2252863866).

Almost surely, 2^4505727731 is an apocalyptic number.

4505727731 is a deficient number, since it is larger than the sum of its proper divisors (1).

4505727731 is an equidigital number, since it uses as much as digits as its factorization.

4505727731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 205800, while the sum is 41.

The square root of 4505727731 is about 67124.7177349745. The cubic root of 4505727731 is about 1651.6637923208.

The spelling of 4505727731 in words is "four billion, five hundred five million, seven hundred twenty-seven thousand, seven hundred thirty-one".