461644115102413 has 2 divisors, whose sum is σ = 461644115102414. Its totient is φ = 461644115102412.

The previous prime is 461644115102399. The next prime is 461644115102473. The reversal of 461644115102413 is 314201511446164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337018440395844 + 124625674706569 = 18358062^2 + 11163587^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461644115102413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 461644115102413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461644115102473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230822057551206 + 230822057551207.

It is an arithmetic number, because the mean of its divisors is an integer number (230822057551207).

Almost surely, 2^{461644115102413} is an apocalyptic number.

It is an amenable number.

461644115102413 is a deficient number, since it is larger than the sum of its proper divisors (1).

461644115102413 is an equidigital number, since it uses as much as digits as its factorization.

461644115102413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 43.

Adding to 461644115102413 its reverse (314201511446164), we get a palindrome (775845626548577).

The spelling of 461644115102413 in words is "four hundred sixty-one trillion, six hundred forty-four billion, one hundred fifteen million, one hundred two thousand, four hundred thirteen".