419520797 has 4 divisors (see below), whose sum is σ = 419565756. Its totient is φ = 419475840.

The previous prime is 419520767. The next prime is 419520809. The reversal of 419520797 is 797025914.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 235131556 + 184389241 = 15334^2 + 13579^2 .

It is a cyclic number.

It is not a de Polignac number, because 419520797 - 2¹⁶ = 419455261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419520727) 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 3 ways as a sum of consecutive naturals, for example, 2654 + ... + 29087.

It is an arithmetic number, because the mean of its divisors is an integer number (104891439).

Almost surely, 2^419520797 is an apocalyptic number.

It is an amenable number.

419520797 is a deficient number, since it is larger than the sum of its proper divisors (44959).

419520797 is a wasteful number, since it uses less digits than its factorization.

419520797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44958.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 419520797 is about 20482.2068391079. The cubic root of 419520797 is about 748.6023136559.

The spelling of 419520797 in words is "four hundred nineteen million, five hundred twenty thousand, seven hundred ninety-seven".