419268519409 has 4 divisors (see below), whose sum is σ = 429494580900. Its totient is φ = 409042457920.

The previous prime is 419268519317. The next prime is 419268519431. The reversal of 419268519409 is 904915862914.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8336237809 + 410932281600 = 91303^2 + 641040^2 .

It is a cyclic number.

It is not a de Polignac number, because 419268519409 - 2¹⁵ = 419268486641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (419268519209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5113030684 + ... + 5113030765.

It is an arithmetic number, because the mean of its divisors is an integer number (107373645225).

Almost surely, 2^419268519409 is an apocalyptic number.

It is an amenable number.

419268519409 is a deficient number, since it is larger than the sum of its proper divisors (10226061491).

419268519409 is a wasteful number, since it uses less digits than its factorization.

419268519409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10226061490.

The product of its (nonzero) digits is 5598720, while the sum is 58.

The spelling of 419268519409 in words is "four hundred nineteen billion, two hundred sixty-eight million, five hundred nineteen thousand, four hundred nine".