6873971537 has 4 divisors (see below), whose sum is σ = 6876028656. Its totient is φ = 6871914420.

The previous prime is 6873971519. The next prime is 6873971543. The reversal of 6873971537 is 7351793786.

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.

It is a cyclic number.

It is not a de Polignac number, because 6873971537 - 2⁶ = 6873971473 is a prime.

It is a super-2 number, since 2×6873971537² = 94502969382972284738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6873961537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023539 + ... + 1030232.

It is an arithmetic number, because the mean of its divisors is an integer number (1719007164).

Almost surely, 2^6873971537 is an apocalyptic number.

It is an amenable number.

6873971537 is a deficient number, since it is larger than the sum of its proper divisors (2057119).

6873971537 is a wasteful number, since it uses less digits than its factorization.

6873971537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057118.

The product of its digits is 6667920, while the sum is 56.

The square root of 6873971537 is about 82909.4176616867. The cubic root of 6873971537 is about 1901.3814087820.

The spelling of 6873971537 in words is "six billion, eight hundred seventy-three million, nine hundred seventy-one thousand, five hundred thirty-seven".