6619770842 has 8 divisors (see below), whose sum is σ = 9995416032. Its totient is φ = 3287965500.

The previous prime is 6619770841. The next prime is 6619770847. The reversal of 6619770842 is 2480779166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6619770841) 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, 10959584 + ... + 10960187.

It is an arithmetic number, because the mean of its divisors is an integer number (1249427004).

Almost surely, 2^6619770842 is an apocalyptic number.

6619770842 is a deficient number, since it is larger than the sum of its proper divisors (3375645190).

6619770842 is a wasteful number, since it uses less digits than its factorization.

6619770842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21919924.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 6619770842 is about 81361.9741771302. The cubic root of 6619770842 is about 1877.6486033525.

The spelling of 6619770842 in words is "six billion, six hundred nineteen million, seven hundred seventy thousand, eight hundred forty-two".