5361331649 has 2 divisors, whose sum is σ = 5361331650. Its totient is φ = 5361331648.

The previous prime is 5361331607. The next prime is 5361331687. The reversal of 5361331649 is 9461331635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3039537424 + 2321794225 = 55132^2 + 48185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5361331649 is a prime.

It is not a weakly prime, because it can be changed into another prime (5361331699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2680665824 + 2680665825.

It is an arithmetic number, because the mean of its divisors is an integer number (2680665825).

Almost surely, 2^5361331649 is an apocalyptic number.

It is an amenable number.

5361331649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5361331649 is an equidigital number, since it uses as much as digits as its factorization.

5361331649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 41.

The square root of 5361331649 is about 73221.1147757257. The cubic root of 5361331649 is about 1750.2129426864.

The spelling of 5361331649 in words is "five billion, three hundred sixty-one million, three hundred thirty-one thousand, six hundred forty-nine".