727485311329 has 4 divisors (see below), whose sum is σ = 831411784384. Its totient is φ = 623558838276.

The previous prime is 727485311321. The next prime is 727485311341. The reversal of 727485311329 is 923113584727.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 727485311329 - 2³ = 727485311321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727485311321) 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, 51963236517 + ... + 51963236530.

It is an arithmetic number, because the mean of its divisors is an integer number (207852946096).

Almost surely, 2^727485311329 is an apocalyptic number.

It is an amenable number.

727485311329 is a deficient number, since it is larger than the sum of its proper divisors (103926473055).

727485311329 is a wasteful number, since it uses less digits than its factorization.

727485311329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103926473054.

The product of its digits is 2540160, while the sum is 52.

The spelling of 727485311329 in words is "seven hundred twenty-seven billion, four hundred eighty-five million, three hundred eleven thousand, three hundred twenty-nine".