2764540609 has 2 divisors, whose sum is σ = 2764540610. Its totient is φ = 2764540608.

The previous prime is 2764540547. The next prime is 2764540627. The reversal of 2764540609 is 9060454672.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1998358209 + 766182400 = 44703^2 + 27680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2764540609 - 2⁷ = 2764540481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2764540409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382270304 + 1382270305.

It is an arithmetic number, because the mean of its divisors is an integer number (1382270305).

Almost surely, 2^2764540609 is an apocalyptic number.

It is an amenable number.

2764540609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2764540609 is an equidigital number, since it uses as much as digits as its factorization.

2764540609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 2764540609 is about 52578.8988948989. The cubic root of 2764540609 is about 1403.4846203835.

The spelling of 2764540609 in words is "two billion, seven hundred sixty-four million, five hundred forty thousand, six hundred nine".