7260728214491 has 4 divisors (see below), whose sum is σ = 7260742780872. Its totient is φ = 7260713648112.

The previous prime is 7260728214449. The next prime is 7260728214517. The reversal of 7260728214491 is 1944128270627.

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 7260728214491 - 2¹⁰ = 7260728213467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7260728214401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6508001 + ... + 7541586.

It is an arithmetic number, because the mean of its divisors is an integer number (1815185695218).

Almost surely, 2^{7260728214491} is an apocalyptic number.

7260728214491 is a deficient number, since it is larger than the sum of its proper divisors (14566381).

7260728214491 is a wasteful number, since it uses less digits than its factorization.

7260728214491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14566380.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 7260728214491 in words is "seven trillion, two hundred sixty billion, seven hundred twenty-eight million, two hundred fourteen thousand, four hundred ninety-one".