485188758810731 has 2 divisors, whose sum is σ = 485188758810732. Its totient is φ = 485188758810730.

The previous prime is 485188758810697. The next prime is 485188758810827. The reversal of 485188758810731 is 137018857881584.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485188758810731 is a prime.

It is a super-2 number, since 2×485188758810731² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (485188758810031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242594379405365 + 242594379405366.

It is an arithmetic number, because the mean of its divisors is an integer number (242594379405366).

Almost surely, 2^{485188758810731} is an apocalyptic number.

485188758810731 is a deficient number, since it is larger than the sum of its proper divisors (1).

485188758810731 is an equidigital number, since it uses as much as digits as its factorization.

485188758810731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 481689600, while the sum is 74.

The spelling of 485188758810731 in words is "four hundred eighty-five trillion, one hundred eighty-eight billion, seven hundred fifty-eight million, eight hundred ten thousand, seven hundred thirty-one".