6619490793 has 12 divisors (see below), whose sum is σ = 9566230128. Its totient is φ = 4410804600.

The previous prime is 6619490777. The next prime is 6619490831. The reversal of 6619490793 is 3970949166.

6619490793 is a `hidden beast` number, since 6 + 61 + 9 + 490 + 7 + 93 = 666.

It is not a de Polignac number, because 6619490793 - 2⁴ = 6619490777 is a prime.

It is a super-2 number, since 2×6619490793² = 87635316717223537698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6619490743) 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 11 ways as a sum of consecutive naturals, for example, 163183 + ... + 199668.

It is an arithmetic number, because the mean of its divisors is an integer number (797185844).

Almost surely, 2^6619490793 is an apocalyptic number.

It is an amenable number.

6619490793 is a deficient number, since it is larger than the sum of its proper divisors (2946739335).

6619490793 is a wasteful number, since it uses less digits than its factorization.

6619490793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364884 (or 364881 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 6619490793 is about 81360.2531522610. The cubic root of 6619490793 is about 1877.6221250428.

The spelling of 6619490793 in words is "six billion, six hundred nineteen million, four hundred ninety thousand, seven hundred ninety-three".