5646337261 has 2 divisors, whose sum is σ = 5646337262. Its totient is φ = 5646337260.

The previous prime is 5646337243. The next prime is 5646337271. The reversal of 5646337261 is 1627336465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5450868900 + 195468361 = 73830^2 + 13981^2 .

It is a cyclic number.

It is not a de Polignac number, because 5646337261 - 2⁷ = 5646337133 is a prime.

It is a super-2 number, since 2×5646337261² = 63762248929913964242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5646337201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823168630 + 2823168631.

It is an arithmetic number, because the mean of its divisors is an integer number (2823168631).

Almost surely, 2^5646337261 is an apocalyptic number.

It is an amenable number.

5646337261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5646337261 is an equidigital number, since it uses as much as digits as its factorization.

5646337261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 43.

The square root of 5646337261 is about 75142.1137645196. The cubic root of 5646337261 is about 1780.6925366711.

The spelling of 5646337261 in words is "five billion, six hundred forty-six million, three hundred thirty-seven thousand, two hundred sixty-one".