4663026981 has 16 divisors (see below), whose sum is σ = 6909261120. Its totient is φ = 3108201840.

The previous prime is 4663026943. The next prime is 4663026983. The reversal of 4663026981 is 1896203664.

4663026981 is a `hidden beast` number, since 4 + 6 + 630 + 2 + 6 + 9 + 8 + 1 = 666.

It is not a de Polignac number, because 4663026981 - 2⁷ = 4663026853 is a prime.

It is a super-2 number, since 2×4663026981² = 43487641251067948722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4663026983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281746 + ... + 297836.

It is an arithmetic number, because the mean of its divisors is an integer number (431828820).

Almost surely, 2^4663026981 is an apocalyptic number.

It is an amenable number.

4663026981 is a deficient number, since it is larger than the sum of its proper divisors (2246234139).

4663026981 is a wasteful number, since it uses less digits than its factorization.

4663026981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26833 (or 26827 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 4663026981 is about 68286.3601387568. The cubic root of 4663026981 is about 1670.6647503582.

The spelling of 4663026981 in words is "four billion, six hundred sixty-three million, twenty-six thousand, nine hundred eighty-one".