48049999661 has 2 divisors, whose sum is σ = 48049999662. Its totient is φ = 48049999660.

The previous prime is 48049999609. The next prime is 48049999709. The reversal of 48049999661 is 16699994084.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47434662025 + 615337636 = 217795^2 + 24806^2 .

It is a cyclic number.

It is not a de Polignac number, because 48049999661 - 2¹⁰ = 48049998637 is a prime.

It is a super-3 number, since 3×48049999661³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48049999601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24024999830 + 24024999831.

It is an arithmetic number, because the mean of its divisors is an integer number (24024999831).

Almost surely, 2^48049999661 is an apocalyptic number.

It is an amenable number.

48049999661 is a deficient number, since it is larger than the sum of its proper divisors (1).

48049999661 is an equidigital number, since it uses as much as digits as its factorization.

48049999661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30233088, while the sum is 65.

The spelling of 48049999661 in words is "forty-eight billion, forty-nine million, nine hundred ninety-nine thousand, six hundred sixty-one".