413820816649 has 2 divisors, whose sum is σ = 413820816650. Its totient is φ = 413820816648.

The previous prime is 413820816587. The next prime is 413820816659. The reversal of 413820816649 is 946618028314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330952831225 + 82867985424 = 575285^2 + 287868^2 .

It is a cyclic number.

It is not a de Polignac number, because 413820816649 - 2³³ = 405230882057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 413820816596 and 413820816605.

It is not a weakly prime, because it can be changed into another prime (413820816659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206910408324 + 206910408325.

It is an arithmetic number, because the mean of its divisors is an integer number (206910408325).

Almost surely, 2^413820816649 is an apocalyptic number.

It is an amenable number.

413820816649 is a deficient number, since it is larger than the sum of its proper divisors (1).

413820816649 is an equidigital number, since it uses as much as digits as its factorization.

413820816649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 413820816649 in words is "four hundred thirteen billion, eight hundred twenty million, eight hundred sixteen thousand, six hundred forty-nine".