416488697809 has 2 divisors, whose sum is σ = 416488697810. Its totient is φ = 416488697808.

The previous prime is 416488697717. The next prime is 416488697921. The reversal of 416488697809 is 908796884614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232254597184 + 184234100625 = 481928^2 + 429225^2 .

It is a cyclic number.

It is not a de Polignac number, because 416488697809 - 2¹¹ = 416488695761 is a prime.

It is not a weakly prime, because it can be changed into another prime (416488697309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208244348904 + 208244348905.

It is an arithmetic number, because the mean of its divisors is an integer number (208244348905).

Almost surely, 2^416488697809 is an apocalyptic number.

It is an amenable number.

416488697809 is a deficient number, since it is larger than the sum of its proper divisors (1).

416488697809 is an equidigital number, since it uses as much as digits as its factorization.

416488697809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 167215104, while the sum is 70.

The spelling of 416488697809 in words is "four hundred sixteen billion, four hundred eighty-eight million, six hundred ninety-seven thousand, eight hundred nine".