2645748376 has 16 divisors (see below), whose sum is σ = 5076145800. Its totient is φ = 1292109504.

The previous prime is 2645748373. The next prime is 2645748383. The reversal of 2645748376 is 6738475462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645748373) 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 3 ways as a sum of consecutive naturals, for example, 3845221 + ... + 3845908.

Almost surely, 2^2645748376 is an apocalyptic number.

It is an amenable number.

2645748376 is a deficient number, since it is larger than the sum of its proper divisors (2430397424).

2645748376 is a wasteful number, since it uses less digits than its factorization.

2645748376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7691178 (or 7691174 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 52.

The square root of 2645748376 is about 51436.8387053481. The cubic root of 2645748376 is about 1383.0870428255.

The spelling of 2645748376 in words is "two billion, six hundred forty-five million, seven hundred forty-eight thousand, three hundred seventy-six".