2723660660551 has 4 divisors (see below), whose sum is σ = 2723918422672. Its totient is φ = 2723402898432.

The previous prime is 2723660660549. The next prime is 2723660660569. The reversal of 2723660660551 is 1550660663272.

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 2723660660551 - 2¹ = 2723660660549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2723660660495 and 2723660660504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723660660521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128865210 + ... + 128886343.

It is an arithmetic number, because the mean of its divisors is an integer number (680979605668).

Almost surely, 2^{2723660660551} is an apocalyptic number.

2723660660551 is a deficient number, since it is larger than the sum of its proper divisors (257762121).

2723660660551 is a wasteful number, since it uses less digits than its factorization.

2723660660551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257762120.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 2723660660551 in words is "two trillion, seven hundred twenty-three billion, six hundred sixty million, six hundred sixty thousand, five hundred fifty-one".