2199536641 has 2 divisors, whose sum is σ = 2199536642. Its totient is φ = 2199536640.

The previous prime is 2199536627. The next prime is 2199536683. The reversal of 2199536641 is 1466359912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1654781041 + 544755600 = 40679^2 + 23340^2 .

It is a cyclic number.

It is not a de Polignac number, because 2199536641 - 2⁵ = 2199536609 is a prime.

It is a super-3 number, since 3×2199536641³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2199536591 and 2199536600.

It is not a weakly prime, because it can be changed into another prime (2199536441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099768320 + 1099768321.

It is an arithmetic number, because the mean of its divisors is an integer number (1099768321).

Almost surely, 2^2199536641 is an apocalyptic number.

It is an amenable number.

2199536641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2199536641 is an equidigital number, since it uses as much as digits as its factorization.

2199536641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 2199536641 is about 46899.2179145879. The cubic root of 2199536641 is about 1300.5001312353.

The spelling of 2199536641 in words is "two billion, one hundred ninety-nine million, five hundred thirty-six thousand, six hundred forty-one".