2650661201 has 8 divisors (see below), whose sum is σ = 2666606184. Its totient is φ = 2634741760.

The previous prime is 2650661149. The next prime is 2650661207. The reversal of 2650661201 is 1021660562.

It can be written as a sum of positive squares in 4 ways, for example, as 2079451201 + 571210000 = 45601^2 + 23900^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2650661201 - 2¹⁴ = 2650644817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2650661207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226961 + ... + 238353.

It is an arithmetic number, because the mean of its divisors is an integer number (333325773).

Almost surely, 2^2650661201 is an apocalyptic number.

It is an amenable number.

2650661201 is a deficient number, since it is larger than the sum of its proper divisors (15944983).

2650661201 is a wasteful number, since it uses less digits than its factorization.

2650661201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12771.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2650661201 is about 51484.5724562223. The cubic root of 2650661201 is about 1383.9425869200.

The spelling of 2650661201 in words is "two billion, six hundred fifty million, six hundred sixty-one thousand, two hundred one".