4293687816 has 48 divisors (see below), whose sum is σ = 12685898160. Its totient is φ = 1301117280.

The previous prime is 4293687803. The next prime is 4293687821. The reversal of 4293687816 is 6187863924.

It is a super-2 number, since 2×4293687816² = 36871510122533699712, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 2709870 + ... + 2711453.

It is an arithmetic number, because the mean of its divisors is an integer number (264289545).

Almost surely, 2^4293687816 is an apocalyptic number.

It is an amenable number.

4293687816 is an abundant number, since it is smaller than the sum of its proper divisors (8392210344).

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

4293687816 is a wasteful number, since it uses less digits than its factorization.

4293687816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421346 (or 5421339 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 4293687816 is about 65526.2376151721. The cubic root of 4293687816 is about 1625.3372479997.

The spelling of 4293687816 in words is "four billion, two hundred ninety-three million, six hundred eighty-seven thousand, eight hundred sixteen".