6537290971 has 4 divisors (see below), whose sum is σ = 6539726592. Its totient is φ = 6534855352.

The previous prime is 6537290951. The next prime is 6537290999. The reversal of 6537290971 is 1790927356.

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 6537290971 - 2¹³ = 6537282779 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6537290911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213780 + ... + 1219153.

It is an arithmetic number, because the mean of its divisors is an integer number (1634931648).

Almost surely, 2^6537290971 is an apocalyptic number.

6537290971 is a deficient number, since it is larger than the sum of its proper divisors (2435621).

6537290971 is a wasteful number, since it uses less digits than its factorization.

6537290971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435620.

The product of its (nonzero) digits is 714420, while the sum is 49.

The square root of 6537290971 is about 80853.5155141692. The cubic root of 6537290971 is about 1869.8177228034.

The spelling of 6537290971 in words is "six billion, five hundred thirty-seven million, two hundred ninety thousand, nine hundred seventy-one".