8451899316 has 240 divisors, whose sum is σ = 27662342400. Its totient is φ = 2194117632.

The previous prime is 8451899273. The next prime is 8451899327. The reversal of 8451899316 is 6139981548.

8451899316 is a `hidden beast` number, since 8 + 4 + 518 + 99 + 31 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 1114345 + ... + 1121903.

It is an arithmetic number, because the mean of its divisors is an integer number (115259760).

Almost surely, 2^8451899316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8451899316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13831171200).

8451899316 is an abundant number, since it is smaller than the sum of its proper divisors (19210443084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8451899316 is a wasteful number, since it uses less digits than its factorization.

8451899316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7628 (or 7617 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 8451899316 is about 91934.2118908951. The cubic root of 8451899316 is about 2036.9706507774.

The spelling of 8451899316 in words is "eight billion, four hundred fifty-one million, eight hundred ninety-nine thousand, three hundred sixteen".