427284725091 has 32 divisors (see below), whose sum is σ = 652066122240. Its totient is φ = 243800868864.

The previous prime is 427284725059. The next prime is 427284725107. The reversal of 427284725091 is 190527482724.

It is a happy number.

It is not a de Polignac number, because 427284725091 - 2⁵ = 427284725059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427284725051) 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 31 ways as a sum of consecutive naturals, for example, 58907821 + ... + 58915073.

It is an arithmetic number, because the mean of its divisors is an integer number (20377066320).

Almost surely, 2^427284725091 is an apocalyptic number.

427284725091 is a deficient number, since it is larger than the sum of its proper divisors (224781397149).

427284725091 is a wasteful number, since it uses less digits than its factorization.

427284725091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11035.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 427284725091 in words is "four hundred twenty-seven billion, two hundred eighty-four million, seven hundred twenty-five thousand, ninety-one".