416634023261 has 2 divisors, whose sum is σ = 416634023262. Its totient is φ = 416634023260.

The previous prime is 416634023161. The next prime is 416634023269. The reversal of 416634023261 is 162320436614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302933555236 + 113700468025 = 550394^2 + 337195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-416634023261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (416634023269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208317011630 + 208317011631.

It is an arithmetic number, because the mean of its divisors is an integer number (208317011631).

Almost surely, 2^416634023261 is an apocalyptic number.

It is an amenable number.

416634023261 is a deficient number, since it is larger than the sum of its proper divisors (1).

416634023261 is an equidigital number, since it uses as much as digits as its factorization.

416634023261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 38.

Adding to 416634023261 its reverse (162320436614), we get a palindrome (578954459875).

The spelling of 416634023261 in words is "four hundred sixteen billion, six hundred thirty-four million, twenty-three thousand, two hundred sixty-one".