6189949065 has 16 divisors (see below), whose sum is σ = 9946430208. Its totient is φ = 3287135616.

The previous prime is 6189949061. The next prime is 6189949081. The reversal of 6189949065 is 5609499816.

It is not a de Polignac number, because 6189949065 - 2² = 6189949061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6189948996 and 6189949014.

It is not an unprimeable number, because it can be changed into a prime (6189949061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882049 + ... + 889038.

It is an arithmetic number, because the mean of its divisors is an integer number (621651888).

Almost surely, 2^6189949065 is an apocalyptic number.

It is an amenable number.

6189949065 is a deficient number, since it is larger than the sum of its proper divisors (3756481143).

6189949065 is a wasteful number, since it uses less digits than its factorization.

6189949065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771328.

The product of its (nonzero) digits is 4199040, while the sum is 57.

The square root of 6189949065 is about 78676.2293516917. The cubic root of 6189949065 is about 1836.0972992397.

The spelling of 6189949065 in words is "six billion, one hundred eighty-nine million, nine hundred forty-nine thousand, sixty-five".