6411880537 has 4 divisors (see below), whose sum is σ = 6412567716. Its totient is φ = 6411193360.

The previous prime is 6411880529. The next prime is 6411880597. The reversal of 6411880537 is 7350881146.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4055651856 + 2356228681 = 63684^2 + 48541^2 .

It is a cyclic number.

It is not a de Polignac number, because 6411880537 - 2³ = 6411880529 is a prime.

It is a super-2 number, since 2×6411880537² = 82224424041518816738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6411880493 and 6411880502.

It is not an unprimeable number, because it can be changed into a prime (6411880597) 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, 329398 + ... + 348319.

It is an arithmetic number, because the mean of its divisors is an integer number (1603141929).

Almost surely, 2^6411880537 is an apocalyptic number.

It is an amenable number.

6411880537 is a deficient number, since it is larger than the sum of its proper divisors (687179).

6411880537 is an equidigital number, since it uses as much as digits as its factorization.

6411880537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687178.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 6411880537 is about 80074.2189284416. The cubic root of 6411880537 is about 1857.7836684614.

The spelling of 6411880537 in words is "six billion, four hundred eleven million, eight hundred eighty thousand, five hundred thirty-seven".