5646536461 has 2 divisors, whose sum is σ = 5646536462. Its totient is φ = 5646536460.

The previous prime is 5646536449. The next prime is 5646536471. The reversal of 5646536461 is 1646356465.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4584102436 + 1062434025 = 67706^2 + 32595^2 .

It is a cyclic number.

It is not a de Polignac number, because 5646536461 - 2¹⁹ = 5646012173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5646536471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823268230 + 2823268231.

It is an arithmetic number, because the mean of its divisors is an integer number (2823268231).

Almost surely, 2^5646536461 is an apocalyptic number.

It is an amenable number.

5646536461 is a deficient number, since it is larger than the sum of its proper divisors (1).

5646536461 is an equidigital number, since it uses as much as digits as its factorization.

5646536461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 46.

The square root of 5646536461 is about 75143.4392412272. The cubic root of 5646536461 is about 1780.7134770770.

The spelling of 5646536461 in words is "five billion, six hundred forty-six million, five hundred thirty-six thousand, four hundred sixty-one".