2730816851845 has 8 divisors (see below), whose sum is σ = 3276990828576. Its totient is φ = 2184646410576.

The previous prime is 2730816851837. The next prime is 2730816851891. The reversal of 2730816851845 is 5481586180372.

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

It is a cyclic number.

It is not a de Polignac number, because 2730816851845 - 2³ = 2730816851837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2730816851845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310874 + ... + 2679556.

It is an arithmetic number, because the mean of its divisors is an integer number (409623853572).

Almost surely, 2^{2730816851845} is an apocalyptic number.

It is an amenable number.

2730816851845 is a deficient number, since it is larger than the sum of its proper divisors (546173976731).

2730816851845 is a wasteful number, since it uses less digits than its factorization.

2730816851845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767731.

The product of its (nonzero) digits is 12902400, while the sum is 58.

The spelling of 2730816851845 in words is "two trillion, seven hundred thirty billion, eight hundred sixteen million, eight hundred fifty-one thousand, eight hundred forty-five".