466204251521 has 2 divisors, whose sum is σ = 466204251522. Its totient is φ = 466204251520.

The previous prime is 466204251497. The next prime is 466204251581. The reversal of 466204251521 is 125152402664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244000433296 + 222203818225 = 493964^2 + 471385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-466204251521 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (466204251581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233102125760 + 233102125761.

It is an arithmetic number, because the mean of its divisors is an integer number (233102125761).

Almost surely, 2^466204251521 is an apocalyptic number.

It is an amenable number.

466204251521 is a deficient number, since it is larger than the sum of its proper divisors (1).

466204251521 is an equidigital number, since it uses as much as digits as its factorization.

466204251521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 466204251521 in words is "four hundred sixty-six billion, two hundred four million, two hundred fifty-one thousand, five hundred twenty-one".