461511622249 has 2 divisors, whose sum is σ = 461511622250. Its totient is φ = 461511622248.

The previous prime is 461511622223. The next prime is 461511622283. The reversal of 461511622249 is 942226115164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315057690000 + 146453932249 = 561300^2 + 382693^2 .

It is a cyclic number.

It is not a de Polignac number, because 461511622249 - 2¹¹ = 461511620201 is a prime.

It is not a weakly prime, because it can be changed into another prime (461511620249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230755811124 + 230755811125.

It is an arithmetic number, because the mean of its divisors is an integer number (230755811125).

Almost surely, 2^461511622249 is an apocalyptic number.

It is an amenable number.

461511622249 is a deficient number, since it is larger than the sum of its proper divisors (1).

461511622249 is an equidigital number, since it uses as much as digits as its factorization.

461511622249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 43.

The spelling of 461511622249 in words is "four hundred sixty-one billion, five hundred eleven million, six hundred twenty-two thousand, two hundred forty-nine".