485740251739 has 2 divisors, whose sum is σ = 485740251740. Its totient is φ = 485740251738.

The previous prime is 485740251721. The next prime is 485740251769. The reversal of 485740251739 is 937152047584.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485740251739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 485740251739.

It is not a weakly prime, because it can be changed into another prime (485740251719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242870125869 + 242870125870.

It is an arithmetic number, because the mean of its divisors is an integer number (242870125870).

Almost surely, 2^485740251739 is an apocalyptic number.

485740251739 is a deficient number, since it is larger than the sum of its proper divisors (1).

485740251739 is an equidigital number, since it uses as much as digits as its factorization.

485740251739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 485740251739 in words is "four hundred eighty-five billion, seven hundred forty million, two hundred fifty-one thousand, seven hundred thirty-nine".