4688267981 has 4 divisors (see below), whose sum is σ = 4839502464. Its totient is φ = 4537033500.

The previous prime is 4688267957. The next prime is 4688267989. The reversal of 4688267981 is 1897628864.

4688267981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4688267981 - 2¹⁸ = 4688005837 is a prime.

It is a super-2 number, since 2×4688267981² = 43959713323339632722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4688267981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4688267989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75617195 + ... + 75617256.

It is an arithmetic number, because the mean of its divisors is an integer number (1209875616).

Almost surely, 2^4688267981 is an apocalyptic number.

It is an amenable number.

4688267981 is a deficient number, since it is larger than the sum of its proper divisors (151234483).

4688267981 is a wasteful number, since it uses less digits than its factorization.

4688267981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151234482.

The product of its digits is 9289728, while the sum is 59.

The square root of 4688267981 is about 68470.9279986769. The cubic root of 4688267981 is about 1673.6737678654.

The spelling of 4688267981 in words is "four billion, six hundred eighty-eight million, two hundred sixty-seven thousand, nine hundred eighty-one".