7297211485 has 4 divisors (see below), whose sum is σ = 8756653788. Its totient is φ = 5837769184.

The previous prime is 7297211479. The next prime is 7297211527. The reversal of 7297211485 is 5841127927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5841127927 = 25717 ⋅227131.

It can be written as a sum of positive squares in 2 ways, for example, as 4393833796 + 2903377689 = 66286^2 + 53883^2 .

It is a cyclic number.

It is not a de Polignac number, because 7297211485 - 2³¹ = 5149727837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 729721144 + ... + 729721153.

It is an arithmetic number, because the mean of its divisors is an integer number (2189163447).

Almost surely, 2^7297211485 is an apocalyptic number.

It is an amenable number.

7297211485 is a deficient number, since it is larger than the sum of its proper divisors (1459442303).

7297211485 is a wasteful number, since it uses less digits than its factorization.

7297211485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459442302.

The product of its digits is 282240, while the sum is 46.

The square root of 7297211485 is about 85423.7173447749. The cubic root of 7297211485 is about 1939.6303795946.

The spelling of 7297211485 in words is "seven billion, two hundred ninety-seven million, two hundred eleven thousand, four hundred eighty-five".