5430885661 has 2 divisors, whose sum is σ = 5430885662. Its totient is φ = 5430885660.

The previous prime is 5430885611. The next prime is 5430885667. The reversal of 5430885661 is 1665880345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5053788100 + 377097561 = 71090^2 + 19419^2 .

It is a cyclic number.

It is not a de Polignac number, because 5430885661 - 2⁷ = 5430885533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5430885667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2715442830 + 2715442831.

It is an arithmetic number, because the mean of its divisors is an integer number (2715442831).

Almost surely, 2^5430885661 is an apocalyptic number.

It is an amenable number.

5430885661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5430885661 is an equidigital number, since it uses as much as digits as its factorization.

5430885661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 46.

The square root of 5430885661 is about 73694.5429526502. The cubic root of 5430885661 is about 1757.7491091203.

The spelling of 5430885661 in words is "five billion, four hundred thirty million, eight hundred eighty-five thousand, six hundred sixty-one".