8463920631 has 4 divisors (see below), whose sum is σ = 11285227512. Its totient is φ = 5642613752.

The previous prime is 8463920537. The next prime is 8463920639. The reversal of 8463920631 is 1360293648.

8463920631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8463920631 - 2⁹ = 8463920119 is a prime.

It is a super-2 number, since 2×8463920631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8463920639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410653436 + ... + 1410653441.

It is an arithmetic number, because the mean of its divisors is an integer number (2821306878).

Almost surely, 2^8463920631 is an apocalyptic number.

8463920631 is a deficient number, since it is larger than the sum of its proper divisors (2821306881).

8463920631 is a wasteful number, since it uses less digits than its factorization.

8463920631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821306880.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 8463920631 is about 91999.5686457279. The cubic root of 8463920631 is about 2037.9359354074.

The spelling of 8463920631 in words is "eight billion, four hundred sixty-three million, nine hundred twenty thousand, six hundred thirty-one".