2723472526661 has 8 divisors (see below), whose sum is σ = 2768215066200. Its totient is φ = 2678733066240.

The previous prime is 2723472526633. The next prime is 2723472526669. The reversal of 2723472526661 is 1666252743272.

It can be written as a sum of positive squares in 4 ways, for example, as 4828860100 + 2718643666561 = 69490^2 + 1648831^2 .

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 2723472526661 - 2⁶ = 2723472526597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723472526669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048745 + ... + 2558673.

It is an arithmetic number, because the mean of its divisors is an integer number (346026883275).

Almost surely, 2^{2723472526661} is an apocalyptic number.

It is an amenable number.

2723472526661 is a deficient number, since it is larger than the sum of its proper divisors (44742539539).

2723472526661 is a wasteful number, since it uses less digits than its factorization.

2723472526661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539559.

The product of its digits is 10160640, while the sum is 53.

The spelling of 2723472526661 in words is "two trillion, seven hundred twenty-three billion, four hundred seventy-two million, five hundred twenty-six thousand, six hundred sixty-one".