2721732325655 has 16 divisors (see below), whose sum is σ = 3733245284160. Its totient is φ = 1866038833152.

The previous prime is 2721732325651. The next prime is 2721732325657. The reversal of 2721732325655 is 5565232371272.

It is a cyclic number.

It is not a de Polignac number, because 2721732325655 - 2² = 2721732325651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721732325651) 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, 5854250 + ... + 6302039.

It is an arithmetic number, because the mean of its divisors is an integer number (233327830260).

Almost surely, 2^{2721732325655} is an apocalyptic number.

2721732325655 is a deficient number, since it is larger than the sum of its proper divisors (1011512958505).

2721732325655 is a wasteful number, since it uses less digits than its factorization.

2721732325655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12162698.

The product of its digits is 5292000, while the sum is 50.

The spelling of 2721732325655 in words is "two trillion, seven hundred twenty-one billion, seven hundred thirty-two million, three hundred twenty-five thousand, six hundred fifty-five".