5342143661 has 2 divisors, whose sum is σ = 5342143662. Its totient is φ = 5342143660.

The previous prime is 5342143649. The next prime is 5342143669. The reversal of 5342143661 is 1663412435.

5342143661 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., 4999338436 + 342805225 = 70706^2 + 18515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5342143661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5342143669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2671071830 + 2671071831.

It is an arithmetic number, because the mean of its divisors is an integer number (2671071831).

Almost surely, 2^5342143661 is an apocalyptic number.

It is an amenable number.

5342143661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5342143661 is an equidigital number, since it uses as much as digits as its factorization.

5342143661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 5342143661 is about 73089.9696333225. The cubic root of 5342143661 is about 1748.1224664680.

The spelling of 5342143661 in words is "five billion, three hundred forty-two million, one hundred forty-three thousand, six hundred sixty-one".