46006721018561 has 2 divisors, whose sum is σ = 46006721018562. Its totient is φ = 46006721018560.

The previous prime is 46006721018497. The next prime is 46006721018611. The reversal of 46006721018561 is 16581012760064.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27879086404225 + 18127634614336 = 5280065^2 + 4257656^2 .

It is a cyclic number.

It is not a de Polignac number, because 46006721018561 - 2⁶ = 46006721018497 is a prime.

It is not a weakly prime, because it can be changed into another prime (46006721018861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23003360509280 + 23003360509281.

It is an arithmetic number, because the mean of its divisors is an integer number (23003360509281).

Almost surely, 2^{46006721018561} is an apocalyptic number.

It is an amenable number.

46006721018561 is a deficient number, since it is larger than the sum of its proper divisors (1).

46006721018561 is an equidigital number, since it uses as much as digits as its factorization.

46006721018561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 46006721018561 in words is "forty-six trillion, six billion, seven hundred twenty-one million, eighteen thousand, five hundred sixty-one".