8373458645 has 16 divisors (see below), whose sum is σ = 10259758080. Its totient is φ = 6559158144.

The previous prime is 8373458633. The next prime is 8373458663. The reversal of 8373458645 is 5468543738.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8373458645 - 2⁴ = 8373458629 is a prime.

It is a super-2 number, since 2×8373458645² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 45509 + ... + 137178.

It is an arithmetic number, because the mean of its divisors is an integer number (641234880).

Almost surely, 2^8373458645 is an apocalyptic number.

It is an amenable number.

8373458645 is a deficient number, since it is larger than the sum of its proper divisors (1886299435).

8373458645 is a wasteful number, since it uses less digits than its factorization.

8373458645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182884.

The product of its digits is 9676800, while the sum is 53.

The square root of 8373458645 is about 91506.6043791376. The cubic root of 8373458645 is about 2030.6494597439.

The spelling of 8373458645 in words is "eight billion, three hundred seventy-three million, four hundred fifty-eight thousand, six hundred forty-five".