5521995649 has 2 divisors, whose sum is σ = 5521995650. Its totient is φ = 5521995648.

The previous prime is 5521995637. The next prime is 5521995653. The reversal of 5521995649 is 9465991255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3032484624 + 2489511025 = 55068^2 + 49895^2 .

It is a cyclic number.

It is not a de Polignac number, because 5521995649 - 2⁵ = 5521995617 is a prime.

It is a super-3 number, since 3×5521995649³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5521995649.

It is not a weakly prime, because it can be changed into another prime (5521995949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760997824 + 2760997825.

It is an arithmetic number, because the mean of its divisors is an integer number (2760997825).

Almost surely, 2^5521995649 is an apocalyptic number.

It is an amenable number.

5521995649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5521995649 is an equidigital number, since it uses as much as digits as its factorization.

5521995649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4374000, while the sum is 55.

The square root of 5521995649 is about 74310.1315366889. The cubic root of 5521995649 is about 1767.5241378534.

The spelling of 5521995649 in words is "five billion, five hundred twenty-one million, nine hundred ninety-five thousand, six hundred forty-nine".