468478709 has 2 divisors, whose sum is σ = 468478710. Its totient is φ = 468478708.

The previous prime is 468478691. The next prime is 468478723. The reversal of 468478709 is 907874864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442976209 + 25502500 = 21047^2 + 5050^2 .

It is a cyclic number.

It is not a de Polignac number, because 468478709 - 2¹⁶ = 468413173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468478729) 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, 234239354 + 234239355.

It is an arithmetic number, because the mean of its divisors is an integer number (234239355).

Almost surely, 2^468478709 is an apocalyptic number.

It is an amenable number.

468478709 is a deficient number, since it is larger than the sum of its proper divisors (1).

468478709 is an equidigital number, since it uses as much as digits as its factorization.

468478709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The square root of 468478709 is about 21644.3689905712. The cubic root of 468478709 is about 776.6582372637.

The spelling of 468478709 in words is "four hundred sixty-eight million, four hundred seventy-eight thousand, seven hundred nine".