7291871349 has 12 divisors (see below), whose sum is σ = 11309841504. Its totient is φ = 4166783544.

The previous prime is 7291871333. The next prime is 7291871383. The reversal of 7291871349 is 9431781927.

It is not a de Polignac number, because 7291871349 - 2⁴ = 7291871333 is a prime.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7291871449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24802137 + ... + 24802430.

It is an arithmetic number, because the mean of its divisors is an integer number (942486792).

Almost surely, 2^7291871349 is an apocalyptic number.

It is an amenable number.

7291871349 is a deficient number, since it is larger than the sum of its proper divisors (4017970155).

7291871349 is a wasteful number, since it uses less digits than its factorization.

7291871349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49604584 (or 49604577 counting only the distinct ones).

The product of its digits is 762048, while the sum is 51.

The square root of 7291871349 is about 85392.4548716103. The cubic root of 7291871349 is about 1939.1571203814.

The spelling of 7291871349 in words is "seven billion, two hundred ninety-one million, eight hundred seventy-one thousand, three hundred forty-nine".