6119993857 has 2 divisors, whose sum is σ = 6119993858. Its totient is φ = 6119993856.

The previous prime is 6119993837. The next prime is 6119993903. The reversal of 6119993857 is 7583999116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4606472641 + 1513521216 = 67871^2 + 38904^2 .

It is a cyclic number.

It is not a de Polignac number, because 6119993857 - 2¹⁹ = 6119469569 is a prime.

It is not a weakly prime, because it can be changed into another prime (6119993827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3059996928 + 3059996929.

It is an arithmetic number, because the mean of its divisors is an integer number (3059996929).

Almost surely, 2^6119993857 is an apocalyptic number.

It is an amenable number.

6119993857 is a deficient number, since it is larger than the sum of its proper divisors (1).

6119993857 is an equidigital number, since it uses as much as digits as its factorization.

6119993857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3674160, while the sum is 58.

The square root of 6119993857 is about 78230.3896002059. The cubic root of 6119993857 is about 1829.1542427443.

The spelling of 6119993857 in words is "six billion, one hundred nineteen million, nine hundred ninety-three thousand, eight hundred fifty-seven".