419509797 has 24 divisors (see below), whose sum is σ = 674680896. Its totient is φ = 227098944.

The previous prime is 419509781. The next prime is 419509807. The reversal of 419509797 is 797905914.

It is a happy number.

It is not a de Polignac number, because 419509797 - 2⁴ = 419509781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419509997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20088 + ... + 35249.

It is an arithmetic number, because the mean of its divisors is an integer number (28111704).

Almost surely, 2^419509797 is an apocalyptic number.

It is an amenable number.

419509797 is a deficient number, since it is larger than the sum of its proper divisors (255171099).

419509797 is a wasteful number, since it uses less digits than its factorization.

419509797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55385 (or 55366 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 51.

The square root of 419509797 is about 20481.9383115954. The cubic root of 419509797 is about 748.5957707166.

The spelling of 419509797 in words is "four hundred nineteen million, five hundred nine thousand, seven hundred ninety-seven".