461398009049 has 2 divisors, whose sum is σ = 461398009050. Its totient is φ = 461398009048.

The previous prime is 461398008937. The next prime is 461398009073. The reversal of 461398009049 is 940900893164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 457338407824 + 4059601225 = 676268^2 + 63715^2 .

It is a cyclic number.

It is not a de Polignac number, because 461398009049 - 2¹² = 461398004953 is a prime.

It is not a weakly prime, because it can be changed into another prime (461398003049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230699004524 + 230699004525.

It is an arithmetic number, because the mean of its divisors is an integer number (230699004525).

Almost surely, 2^461398009049 is an apocalyptic number.

It is an amenable number.

461398009049 is a deficient number, since it is larger than the sum of its proper divisors (1).

461398009049 is an equidigital number, since it uses as much as digits as its factorization.

461398009049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 461398009049 in words is "four hundred sixty-one billion, three hundred ninety-eight million, nine thousand, forty-nine".