6619293249 has 32 divisors (see below), whose sum is σ = 9148339200. Its totient is φ = 4255260480.

The previous prime is 6619293223. The next prime is 6619293251. The reversal of 6619293249 is 9423929166.

It is not a de Polignac number, because 6619293249 - 2²⁹ = 6082422337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6619293299) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1985514 + ... + 1988844.

It is an arithmetic number, because the mean of its divisors is an integer number (285885600).

Almost surely, 2^6619293249 is an apocalyptic number.

It is an amenable number.

6619293249 is a deficient number, since it is larger than the sum of its proper divisors (2529045951).

6619293249 is a wasteful number, since it uses less digits than its factorization.

6619293249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3605.

The product of its digits is 1259712, while the sum is 51.

The square root of 6619293249 is about 81359.0391351815. The cubic root of 6619293249 is about 1877.6034470363.

The spelling of 6619293249 in words is "six billion, six hundred nineteen million, two hundred ninety-three thousand, two hundred forty-nine".