8294643954 has 12 divisors (see below), whose sum is σ = 17971728606. Its totient is φ = 2764881312.

The previous prime is 8294643923. The next prime is 8294643997. The reversal of 8294643954 is 4593464928.

It can be written as a sum of positive squares in only one way, i.e., 8086505625 + 208138329 = 89925^2 + 14427^2 .

It is a super-2 number, since 2×8294643954² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8294643954.

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 5 ways as a sum of consecutive naturals, for example, 230406759 + ... + 230406794.

Almost surely, 2^8294643954 is an apocalyptic number.

8294643954 is an abundant number, since it is smaller than the sum of its proper divisors (9677084652).

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

8294643954 is a wasteful number, since it uses less digits than its factorization.

8294643954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460813561 (or 460813558 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The square root of 8294643954 is about 91074.9359264117. The cubic root of 8294643954 is about 2024.2582420902.

The spelling of 8294643954 in words is "eight billion, two hundred ninety-four million, six hundred forty-three thousand, nine hundred fifty-four".