7321071149 has 4 divisors (see below), whose sum is σ = 8366938464. Its totient is φ = 6275203836.

The previous prime is 7321071133. The next prime is 7321071187. The reversal of 7321071149 is 9411701237.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9411701237 = 691 ⋅13620407.

It is a cyclic number.

It is not a de Polignac number, because 7321071149 - 2⁴ = 7321071133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7321076149) 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, 522933647 + ... + 522933660.

It is an arithmetic number, because the mean of its divisors is an integer number (2091734616).

Almost surely, 2^7321071149 is an apocalyptic number.

It is an amenable number.

7321071149 is a deficient number, since it is larger than the sum of its proper divisors (1045867315).

7321071149 is a wasteful number, since it uses less digits than its factorization.

7321071149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045867314.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 7321071149 is about 85563.2581719514. The cubic root of 7321071149 is about 1941.7420803593.

The spelling of 7321071149 in words is "seven billion, three hundred twenty-one million, seventy-one thousand, one hundred forty-nine".