2660971763 has 4 divisors (see below), whose sum is σ = 2752729440. Its totient is φ = 2569214088.

The previous prime is 2660971739. The next prime is 2660971771. The reversal of 2660971763 is 3671790662.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2660971763 - 2¹⁸ = 2660709619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2660971723) 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 3 ways as a sum of consecutive naturals, for example, 45878795 + ... + 45878852.

It is an arithmetic number, because the mean of its divisors is an integer number (688182360).

Almost surely, 2^2660971763 is an apocalyptic number.

2660971763 is a deficient number, since it is larger than the sum of its proper divisors (91757677).

2660971763 is an equidigital number, since it uses as much as digits as its factorization.

2660971763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91757676.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 2660971763 is about 51584.6078108577. The cubic root of 2660971763 is about 1385.7346887304.

The spelling of 2660971763 in words is "two billion, six hundred sixty million, nine hundred seventy-one thousand, seven hundred sixty-three".