4671992665 has 8 divisors (see below), whose sum is σ = 5712172488. Its totient is φ = 3667073280.

The previous prime is 4671992641. The next prime is 4671992687. The reversal of 4671992665 is 5662991764.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 481890304 + 4190102361 = 21952^2 + 64731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4671992665 - 2⁷ = 4671992537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8814816 + ... + 8815345.

It is an arithmetic number, because the mean of its divisors is an integer number (714021561).

Almost surely, 2^4671992665 is an apocalyptic number.

It is an amenable number.

4671992665 is a deficient number, since it is larger than the sum of its proper divisors (1040179823).

4671992665 is a wasteful number, since it uses less digits than its factorization.

4671992665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17630219.

The product of its digits is 4898880, while the sum is 55.

The square root of 4671992665 is about 68351.9763064683. The cubic root of 4671992665 is about 1671.7348036818.

Subtracting 4671992665 from its reverse (5662991764), we obtain a palindrome (990999099).

The spelling of 4671992665 in words is "four billion, six hundred seventy-one million, nine hundred ninety-two thousand, six hundred sixty-five".