2766645453 has 32 divisors (see below), whose sum is σ = 4337972352. Its totient is φ = 1546272000.

The previous prime is 2766645449. The next prime is 2766645457. The reversal of 2766645453 is 3545466672.

It is an interprime number because it is at equal distance from previous prime (2766645449) and next prime (2766645457).

It is not a de Polignac number, because 2766645453 - 2² = 2766645449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2766645457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555651 + ... + 560607.

It is an arithmetic number, because the mean of its divisors is an integer number (135561636).

Almost surely, 2^2766645453 is an apocalyptic number.

It is an amenable number.

2766645453 is a deficient number, since it is larger than the sum of its proper divisors (1571326899).

2766645453 is a wasteful number, since it uses less digits than its factorization.

2766645453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285.

The product of its digits is 3628800, while the sum is 48.

The square root of 2766645453 is about 52598.9111389200. The cubic root of 2766645453 is about 1403.8407213529.

The spelling of 2766645453 in words is "two billion, seven hundred sixty-six million, six hundred forty-five thousand, four hundred fifty-three".