7065287641 has 2 divisors, whose sum is σ = 7065287642. Its totient is φ = 7065287640.

The previous prime is 7065287639. The next prime is 7065287687. The reversal of 7065287641 is 1467825607.

It is a happy number.

It is an a-pointer prime, because the next prime (7065287687) can be obtained adding 7065287641 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4300736400 + 2764551241 = 65580^2 + 52579^2 .

It is a cyclic number.

It is not a de Polignac number, because 7065287641 - 2¹ = 7065287639 is a prime.

Together with 7065287639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 7065287591 and 7065287600.

It is not a weakly prime, because it can be changed into another prime (7065287741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3532643820 + 3532643821.

It is an arithmetic number, because the mean of its divisors is an integer number (3532643821).

Almost surely, 2^7065287641 is an apocalyptic number.

It is an amenable number.

7065287641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7065287641 is an equidigital number, since it uses as much as digits as its factorization.

7065287641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 7065287641 is about 84055.2653972373. The cubic root of 7065287641 is about 1918.8599678425.

The spelling of 7065287641 in words is "seven billion, sixty-five million, two hundred eighty-seven thousand, six hundred forty-one".