427389371135 has 4 divisors (see below), whose sum is σ = 512867245368. Its totient is φ = 341911496904.

The previous prime is 427389371089. The next prime is 427389371141. The reversal of 427389371135 is 531173983724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427389371135 - 2²² = 427385176831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42738937109 + ... + 42738937118.

It is an arithmetic number, because the mean of its divisors is an integer number (128216811342).

Almost surely, 2^427389371135 is an apocalyptic number.

427389371135 is a deficient number, since it is larger than the sum of its proper divisors (85477874233).

427389371135 is an equidigital number, since it uses as much as digits as its factorization.

427389371135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85477874232.

The product of its digits is 3810240, while the sum is 53.

The spelling of 427389371135 in words is "four hundred twenty-seven billion, three hundred eighty-nine million, three hundred seventy-one thousand, one hundred thirty-five".