427217519419 has 16 divisors (see below), whose sum is σ = 451514966400. Its totient is φ = 403104551616.

The previous prime is 427217519369. The next prime is 427217519453. The reversal of 427217519419 is 914915712724.

It is a cyclic number.

It is not a de Polignac number, because 427217519419 - 2¹⁷ = 427217388347 is a prime.

It is a super-2 number, since 2×427217519419² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427217511419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4744672 + ... + 4833874.

It is an arithmetic number, because the mean of its divisors is an integer number (28219685400).

Almost surely, 2^427217519419 is an apocalyptic number.

427217519419 is a deficient number, since it is larger than the sum of its proper divisors (24297446981).

427217519419 is a wasteful number, since it uses less digits than its factorization.

427217519419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90234.

The product of its digits is 1270080, while the sum is 52.

The spelling of 427217519419 in words is "four hundred twenty-seven billion, two hundred seventeen million, five hundred nineteen thousand, four hundred nineteen".