412330432113661 has 2 divisors, whose sum is σ = 412330432113662. Its totient is φ = 412330432113660.

The previous prime is 412330432113659. The next prime is 412330432113673. The reversal of 412330432113661 is 166311234033214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372081685357561 + 40248746756100 = 19289419^2 + 6344190^2 .

It is a cyclic number.

It is not a de Polignac number, because 412330432113661 - 2¹ = 412330432113659 is a prime.

Together with 412330432113659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412330432113601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206165216056830 + 206165216056831.

It is an arithmetic number, because the mean of its divisors is an integer number (206165216056831).

Almost surely, 2^{412330432113661} is an apocalyptic number.

It is an amenable number.

412330432113661 is a deficient number, since it is larger than the sum of its proper divisors (1).

412330432113661 is an equidigital number, since it uses as much as digits as its factorization.

412330432113661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 40.

Adding to 412330432113661 its reverse (166311234033214), we get a palindrome (578641666146875).

The spelling of 412330432113661 in words is "four hundred twelve trillion, three hundred thirty billion, four hundred thirty-two million, one hundred thirteen thousand, six hundred sixty-one".