5646205231 has 2 divisors, whose sum is σ = 5646205232. Its totient is φ = 5646205230.

The previous prime is 5646205183. The next prime is 5646205237. The reversal of 5646205231 is 1325026465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5646205231 is a prime.

It is a super-2 number, since 2×5646205231² = 63759267021143526722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5646205237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823102615 + 2823102616.

It is an arithmetic number, because the mean of its divisors is an integer number (2823102616).

Almost surely, 2^5646205231 is an apocalyptic number.

5646205231 is a deficient number, since it is larger than the sum of its proper divisors (1).

5646205231 is an equidigital number, since it uses as much as digits as its factorization.

5646205231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 5646205231 is about 75141.2352240765. The cubic root of 5646205231 is about 1780.6786570735.

The spelling of 5646205231 in words is "five billion, six hundred forty-six million, two hundred five thousand, two hundred thirty-one".