8427423601 has 3 divisors (see below), whose sum is σ = 8427515403. Its totient is φ = 8427331800.

The previous prime is 8427423553. The next prime is 8427423623. The reversal of 8427423601 is 1063247248.

The square root of 8427423601 is 91801.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3666423601 + 4761000000 = 60551^2 + 69000^2 .

It is not a de Polignac number, because 8427423601 - 2¹⁵ = 8427390833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8427423661) 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 2 ways as a sum of consecutive naturals, for example, 45901 + ... + 137701.

It is an arithmetic number, because the mean of its divisors is an integer number (2809171801).

Almost surely, 2^8427423601 is an apocalyptic number.

8427423601 is the 91801-st square number.

8427423601 is the 45901-st centered octagonal number.

It is an amenable number.

8427423601 is a deficient number, since it is larger than the sum of its proper divisors (91802).

8427423601 is an frugal number, since it uses more digits than its factorization.

8427423601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183602 (or 91801 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The cubic root of 8427423601 is about 2035.0024731782.

The spelling of 8427423601 in words is "eight billion, four hundred twenty-seven million, four hundred twenty-three thousand, six hundred one".