8442602480645 has 4 divisors (see below), whose sum is σ = 10131122976780. Its totient is φ = 6754081984512.

The previous prime is 8442602480621. The next prime is 8442602480681. The reversal of 8442602480645 is 5460842062448.

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 3947859034084 + 4494743446561 = 1986922^2 + 2120081^2 .

It is a cyclic number.

It is not a de Polignac number, because 8442602480645 - 2¹² = 8442602476549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844260248060 + ... + 844260248069.

It is an arithmetic number, because the mean of its divisors is an integer number (2532780744195).

Almost surely, 2^{8442602480645} is an apocalyptic number.

It is an amenable number.

8442602480645 is a deficient number, since it is larger than the sum of its proper divisors (1688520496135).

8442602480645 is a wasteful number, since it uses less digits than its factorization.

8442602480645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688520496134.

The product of its (nonzero) digits is 11796480, while the sum is 53.

The spelling of 8442602480645 in words is "eight trillion, four hundred forty-two billion, six hundred two million, four hundred eighty thousand, six hundred forty-five".