4764335981 has 2 divisors, whose sum is σ = 4764335982. Its totient is φ = 4764335980.

The previous prime is 4764335971. The next prime is 4764335999. The reversal of 4764335981 is 1895334674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4716255625 + 48080356 = 68675^2 + 6934^2 .

It is a cyclic number.

It is not a de Polignac number, because 4764335981 - 2¹⁸ = 4764073837 is a prime.

It is a super-2 number, since 2×4764335981² = 45397794679702464722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4764335921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2382167990 + 2382167991.

It is an arithmetic number, because the mean of its divisors is an integer number (2382167991).

Almost surely, 2^4764335981 is an apocalyptic number.

It is an amenable number.

4764335981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4764335981 is an equidigital number, since it uses as much as digits as its factorization.

4764335981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 50.

The square root of 4764335981 is about 69024.1695422698. The cubic root of 4764335981 is about 1682.6771352825.

The spelling of 4764335981 in words is "four billion, seven hundred sixty-four million, three hundred thirty-five thousand, nine hundred eighty-one".