6488231491 has 4 divisors (see below), whose sum is σ = 7415121712. Its totient is φ = 5561341272.

The previous prime is 6488231489. The next prime is 6488231573. The reversal of 6488231491 is 1941328846.

6488231491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6488231491 - 2¹ = 6488231489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6488235491) 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, 463445100 + ... + 463445113.

It is an arithmetic number, because the mean of its divisors is an integer number (1853780428).

Almost surely, 2^6488231491 is an apocalyptic number.

6488231491 is a deficient number, since it is larger than the sum of its proper divisors (926890221).

6488231491 is an equidigital number, since it uses as much as digits as its factorization.

6488231491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926890220.

The product of its digits is 331776, while the sum is 46.

The square root of 6488231491 is about 80549.5592228784. The cubic root of 6488231491 is about 1865.1285879517.

The spelling of 6488231491 in words is "six billion, four hundred eighty-eight million, two hundred thirty-one thousand, four hundred ninety-one".