2075579749 has 2 divisors, whose sum is σ = 2075579750. Its totient is φ = 2075579748.

The previous prime is 2075579747. The next prime is 2075579789. The reversal of 2075579749 is 9479755702.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1615477249 + 460102500 = 40193^2 + 21450^2 .

It is a cyclic number.

It is not a de Polignac number, because 2075579749 - 2¹ = 2075579747 is a prime.

Together with 2075579747, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2075579749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2075579747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1037789874 + 1037789875.

It is an arithmetic number, because the mean of its divisors is an integer number (1037789875).

Almost surely, 2^2075579749 is an apocalyptic number.

It is an amenable number.

2075579749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2075579749 is an equidigital number, since it uses as much as digits as its factorization.

2075579749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5556600, while the sum is 55.

The square root of 2075579749 is about 45558.5310232892. The cubic root of 2075579749 is about 1275.5959790199.

The spelling of 2075579749 in words is "two billion, seventy-five million, five hundred seventy-nine thousand, seven hundred forty-nine".