427274519469 has 8 divisors (see below), whose sum is σ = 651084982080. Its totient is φ = 244156868256.

The previous prime is 427274519467. The next prime is 427274519489. The reversal of 427274519469 is 964915472724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427274519469 - 2¹ = 427274519467 is a prime.

It is a super-2 number, since 2×427274519469² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427274519461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10173202824 + ... + 10173202865.

It is an arithmetic number, because the mean of its divisors is an integer number (81385622760).

Almost surely, 2^427274519469 is an apocalyptic number.

It is an amenable number.

427274519469 is a deficient number, since it is larger than the sum of its proper divisors (223810462611).

427274519469 is a wasteful number, since it uses less digits than its factorization.

427274519469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20346405699.

The product of its digits is 30481920, while the sum is 60.

The spelling of 427274519469 in words is "four hundred twenty-seven billion, two hundred seventy-four million, five hundred nineteen thousand, four hundred sixty-nine".