8373621063 has 16 divisors (see below), whose sum is σ = 11667997440. Its totient is φ = 5331568704.

The previous prime is 8373621059. The next prime is 8373621077. The reversal of 8373621063 is 3601263738.

It is not a de Polignac number, because 8373621063 - 2² = 8373621059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8373621013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46606 + ... + 137547.

It is an arithmetic number, because the mean of its divisors is an integer number (729249840).

Almost surely, 2^8373621063 is an apocalyptic number.

8373621063 is a deficient number, since it is larger than the sum of its proper divisors (3294376377).

8373621063 is a wasteful number, since it uses less digits than its factorization.

8373621063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184838.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 8373621063 is about 91507.4918408324. The cubic root of 8373621063 is about 2030.6625890017.

The spelling of 8373621063 in words is "eight billion, three hundred seventy-three million, six hundred twenty-one thousand, sixty-three".