7067511641 has 2 divisors, whose sum is σ = 7067511642. Its totient is φ = 7067511640.

The previous prime is 7067511631. The next prime is 7067511793. The reversal of 7067511641 is 1461157607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5595638416 + 1471873225 = 74804^2 + 38365^2 .

It is a cyclic number.

It is not a de Polignac number, because 7067511641 - 2²⁶ = 7000402777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7067511595 and 7067511604.

It is not a weakly prime, because it can be changed into another prime (7067511601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3533755820 + 3533755821.

It is an arithmetic number, because the mean of its divisors is an integer number (3533755821).

Almost surely, 2^7067511641 is an apocalyptic number.

It is an amenable number.

7067511641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7067511641 is an equidigital number, since it uses as much as digits as its factorization.

7067511641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 7067511641 is about 84068.4937476579. The cubic root of 7067511641 is about 1919.0612852828.

The spelling of 7067511641 in words is "seven billion, sixty-seven million, five hundred eleven thousand, six hundred forty-one".