427769700449 has 16 divisors (see below), whose sum is σ = 526708103040. Its totient is φ = 338312229120.

The previous prime is 427769700439. The next prime is 427769700451. The reversal of 427769700449 is 944007967724.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 427769700449 - 2⁴ = 427769700433 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (427769700409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775544 + ... + 1207065.

It is an arithmetic number, because the mean of its divisors is an integer number (32919256440).

Almost surely, 2^427769700449 is an apocalyptic number.

It is an amenable number.

427769700449 is a deficient number, since it is larger than the sum of its proper divisors (98938402591).

427769700449 is a wasteful number, since it uses less digits than its factorization.

427769700449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985000.

The product of its (nonzero) digits is 21337344, while the sum is 59.

The spelling of 427769700449 in words is "four hundred twenty-seven billion, seven hundred sixty-nine million, seven hundred thousand, four hundred forty-nine".