463043610636661 has 2 divisors, whose sum is σ = 463043610636662. Its totient is φ = 463043610636660.

The previous prime is 463043610636647. The next prime is 463043610636721. The reversal of 463043610636661 is 166636016340364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410819429479761 + 52224181156900 = 20268681^2 + 7226630^2 .

It is a cyclic number.

It is not a de Polignac number, because 463043610636661 - 2¹¹ = 463043610634613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463043610630661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231521805318330 + 231521805318331.

It is an arithmetic number, because the mean of its divisors is an integer number (231521805318331).

Almost surely, 2^{463043610636661} is an apocalyptic number.

It is an amenable number.

463043610636661 is a deficient number, since it is larger than the sum of its proper divisors (1).

463043610636661 is an equidigital number, since it uses as much as digits as its factorization.

463043610636661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20155392, while the sum is 55.

The spelling of 463043610636661 in words is "four hundred sixty-three trillion, forty-three billion, six hundred ten million, six hundred thirty-six thousand, six hundred sixty-one".