4668773981 has 4 divisors (see below), whose sum is σ = 4669047264. Its totient is φ = 4668500700.

The previous prime is 4668773959. The next prime is 4668774029. The reversal of 4668773981 is 1893778664.

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 4668773981 - 2¹⁰ = 4668772957 is a prime.

It is a super-2 number, since 2×4668773981² = 43594900971325176722, 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 4668773981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4668773951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109175 + ... + 145796.

It is an arithmetic number, because the mean of its divisors is an integer number (1167261816).

Almost surely, 2^4668773981 is an apocalyptic number.

It is an amenable number.

4668773981 is a deficient number, since it is larger than the sum of its proper divisors (273283).

4668773981 is a wasteful number, since it uses less digits than its factorization.

4668773981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273282.

The product of its digits is 12192768, while the sum is 59.

The square root of 4668773981 is about 68328.4273271382. The cubic root of 4668773981 is about 1671.3508117688.

The spelling of 4668773981 in words is "four billion, six hundred sixty-eight million, seven hundred seventy-three thousand, nine hundred eighty-one".