427219104399 has 16 divisors (see below), whose sum is σ = 599658967680. Its totient is φ = 269798649120.

The previous prime is 427219104379. The next prime is 427219104421. The reversal of 427219104399 is 993401912724.

It is a Cunningham number, because it is equal to 653620²-1.

It is not a de Polignac number, because 427219104399 - 2⁷ = 427219104271 is a prime.

It is a super-2 number, since 2×427219104399² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427219104379) 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, 326809 + ... + 980429.

It is an arithmetic number, because the mean of its divisors is an integer number (37478685480).

Almost surely, 2^427219104399 is an apocalyptic number.

427219104399 is a deficient number, since it is larger than the sum of its proper divisors (172439863281).

427219104399 is a wasteful number, since it uses less digits than its factorization.

427219104399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665110.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 427219104399 in words is "four hundred twenty-seven billion, two hundred nineteen million, one hundred four thousand, three hundred ninety-nine".