7003644061 has 2 divisors, whose sum is σ = 7003644062. Its totient is φ = 7003644060.

The previous prime is 7003644047. The next prime is 7003644073. The reversal of 7003644061 is 1604463007.

7003644061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6719080900 + 284563161 = 81970^2 + 16869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7003644061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7003644001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3501822030 + 3501822031.

It is an arithmetic number, because the mean of its divisors is an integer number (3501822031).

Almost surely, 2^7003644061 is an apocalyptic number.

It is an amenable number.

7003644061 is a deficient number, since it is larger than the sum of its proper divisors (1).

7003644061 is an equidigital number, since it uses as much as digits as its factorization.

7003644061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 7003644061 is about 83687.7772497275. Note that the first 3 decimals coincide. The cubic root of 7003644061 is about 1913.2630698506.

The spelling of 7003644061 in words is "seven billion, three million, six hundred forty-four thousand, sixty-one".