2790253789 has 6 divisors (see below), whose sum is σ = 2856654366. Its totient is φ = 2725362360.

The previous prime is 2790253771. The next prime is 2790253801. The reversal of 2790253789 is 9873520972.

It can be written as a sum of positive squares in only one way, i.e., 1871254564 + 918999225 = 43258^2 + 30315^2 .

It is not a de Polignac number, because 2790253789 - 2¹¹ = 2790251741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790283789) 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 5 ways as a sum of consecutive naturals, for example, 752682 + ... + 756379.

It is an arithmetic number, because the mean of its divisors is an integer number (476109061).

Almost surely, 2^2790253789 is an apocalyptic number.

It is an amenable number.

2790253789 is a deficient number, since it is larger than the sum of its proper divisors (66400577).

2790253789 is an equidigital number, since it uses as much as digits as its factorization.

2790253789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509147 (or 1509104 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 2790253789 is about 52822.8529047798. The cubic root of 2790253789 is about 1407.8225010096.

The spelling of 2790253789 in words is "two billion, seven hundred ninety million, two hundred fifty-three thousand, seven hundred eighty-nine".