6191139248 has 20 divisors (see below), whose sum is σ = 13708951440. Its totient is φ = 2653345344.

The previous prime is 6191139223. The next prime is 6191139257. The reversal of 6191139248 is 8429311916.

It is a junction number, because it is equal to n+sod(n) for n = 6191139199 and 6191139208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27638903 + ... + 27639126.

It is an arithmetic number, because the mean of its divisors is an integer number (685447572).

Almost surely, 2^6191139248 is an apocalyptic number.

It is an amenable number.

6191139248 is an abundant number, since it is smaller than the sum of its proper divisors (7517812192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6191139248 is a wasteful number, since it uses less digits than its factorization.

6191139248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55278044 (or 55278038 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 6191139248 is about 78683.7927911460. The cubic root of 6191139248 is about 1836.2149712768.

The spelling of 6191139248 in words is "six billion, one hundred ninety-one million, one hundred thirty-nine thousand, two hundred forty-eight".