2746658645 has 8 divisors (see below), whose sum is σ = 3296615640. Its totient is φ = 2196910080.

The previous prime is 2746658633. The next prime is 2746658687. The reversal of 2746658645 is 5468566472.

It can be written as a sum of positive squares in 4 ways, for example, as 109014481 + 2637644164 = 10441^2 + 51358^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2746658645 - 2⁶ = 2746658581 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21476 + ... + 77165.

It is an arithmetic number, because the mean of its divisors is an integer number (412076955).

Almost surely, 2^2746658645 is an apocalyptic number.

It is an amenable number.

2746658645 is a deficient number, since it is larger than the sum of its proper divisors (549956995).

2746658645 is an equidigital number, since it uses as much as digits as its factorization.

2746658645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104215.

The product of its digits is 9676800, while the sum is 53.

The square root of 2746658645 is about 52408.5741553803. The cubic root of 2746658645 is about 1400.4520045601.

The spelling of 2746658645 in words is "two billion, seven hundred forty-six million, six hundred fifty-eight thousand, six hundred forty-five".