8426001245 has 4 divisors (see below), whose sum is σ = 10111201500. Its totient is φ = 6740800992.

The previous prime is 8426001239. The next prime is 8426001247. The reversal of 8426001245 is 5421006248.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6604162756 + 1821838489 = 81266^2 + 42683^2 .

It is a cyclic number.

It is not a de Polignac number, because 8426001245 - 2¹⁰ = 8426000221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8426001247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842600120 + ... + 842600129.

It is an arithmetic number, because the mean of its divisors is an integer number (2527800375).

Almost surely, 2^8426001245 is an apocalyptic number.

It is an amenable number.

8426001245 is a deficient number, since it is larger than the sum of its proper divisors (1685200255).

8426001245 is a wasteful number, since it uses less digits than its factorization.

8426001245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685200254.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 8426001245 is about 91793.2527204478. The cubic root of 8426001245 is about 2034.8879794740.

The spelling of 8426001245 in words is "eight billion, four hundred twenty-six million, one thousand, two hundred forty-five".