2668488431 has 8 divisors (see below), whose sum is σ = 3050019840. Its totient is φ = 2287036728.

The previous prime is 2668488409. The next prime is 2668488439. The reversal of 2668488431 is 1348848662.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2668488431 is a prime.

It is a super-2 number, since 2×2668488431² = 14241661012761683522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2668488431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668488439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99770 + ... + 123656.

It is an arithmetic number, because the mean of its divisors is an integer number (381252480).

Almost surely, 2^2668488431 is an apocalyptic number.

2668488431 is a deficient number, since it is larger than the sum of its proper divisors (381531409).

2668488431 is a wasteful number, since it uses less digits than its factorization.

2668488431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39853.

The product of its digits is 1769472, while the sum is 50.

The square root of 2668488431 is about 51657.4140951713. The cubic root of 2668488431 is about 1387.0382620277.

The spelling of 2668488431 in words is "two billion, six hundred sixty-eight million, four hundred eighty-eight thousand, four hundred thirty-one".