2723473033561 has 16 divisors (see below), whose sum is σ = 3135640066560. Its totient is φ = 2317144916160.

The previous prime is 2723473033553. The next prime is 2723473033607. The reversal of 2723473033561 is 1653303743272.

2723473033561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2723473033561 - 2³ = 2723473033553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2723473033511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2158246 + ... + 3178831.

It is an arithmetic number, because the mean of its divisors is an integer number (195977504160).

Almost surely, 2^{2723473033561} is an apocalyptic number.

It is an amenable number.

2723473033561 is a deficient number, since it is larger than the sum of its proper divisors (412167032999).

2723473033561 is a wasteful number, since it uses less digits than its factorization.

2723473033561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337624.

The product of its (nonzero) digits is 1905120, while the sum is 46.

The spelling of 2723473033561 in words is "two trillion, seven hundred twenty-three billion, four hundred seventy-three million, thirty-three thousand, five hundred sixty-one".