464874424478509 has 2 divisors, whose sum is σ = 464874424478510. Its totient is φ = 464874424478508.

The previous prime is 464874424478417. The next prime is 464874424478549. The reversal of 464874424478509 is 905874424478464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263750689602409 + 201123734876100 = 16240403^2 + 14181810^2 .

It is a cyclic number.

It is not a de Polignac number, because 464874424478509 - 2¹¹ = 464874424476461 is a prime.

It is a super-2 number, since 2×464874424478509² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464874424478549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232437212239254 + 232437212239255.

It is an arithmetic number, because the mean of its divisors is an integer number (232437212239255).

Almost surely, 2^{464874424478509} is an apocalyptic number.

It is an amenable number.

464874424478509 is a deficient number, since it is larger than the sum of its proper divisors (1).

464874424478509 is an equidigital number, since it uses as much as digits as its factorization.

464874424478509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6936330240, while the sum is 76.

The spelling of 464874424478509 in words is "four hundred sixty-four trillion, eight hundred seventy-four billion, four hundred twenty-four million, four hundred seventy-eight thousand, five hundred nine".