462471478309 has 2 divisors, whose sum is σ = 462471478310. Its totient is φ = 462471478308.

The previous prime is 462471478241. The next prime is 462471478321. The reversal of 462471478309 is 903874174264.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431094670084 + 31376808225 = 656578^2 + 177135^2 .

It is a cyclic number.

It is not a de Polignac number, because 462471478309 - 2¹¹ = 462471476261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 462471478309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (462471478349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231235739154 + 231235739155.

It is an arithmetic number, because the mean of its divisors is an integer number (231235739155).

Almost surely, 2^462471478309 is an apocalyptic number.

It is an amenable number.

462471478309 is a deficient number, since it is larger than the sum of its proper divisors (1).

462471478309 is an equidigital number, since it uses as much as digits as its factorization.

462471478309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 462471478309 in words is "four hundred sixty-two billion, four hundred seventy-one million, four hundred seventy-eight thousand, three hundred nine".