4265312981 has 2 divisors, whose sum is σ = 4265312982. Its totient is φ = 4265312980.

The previous prime is 4265312977. The next prime is 4265313037. The reversal of 4265312981 is 1892135624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3014559025 + 1250753956 = 54905^2 + 35366^2 .

It is a cyclic number.

It is not a de Polignac number, because 4265312981 - 2² = 4265312977 is a prime.

It is a super-2 number, since 2×4265312981² = 36385789651774212722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4265312951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2132656490 + 2132656491.

It is an arithmetic number, because the mean of its divisors is an integer number (2132656491).

Almost surely, 2^4265312981 is an apocalyptic number.

It is an amenable number.

4265312981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4265312981 is an equidigital number, since it uses as much as digits as its factorization.

4265312981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 4265312981 is about 65309.3636548390. The cubic root of 4265312981 is about 1621.7489850581.

The spelling of 4265312981 in words is "four billion, two hundred sixty-five million, three hundred twelve thousand, nine hundred eighty-one".