6169993 has 2 divisors, whose sum is σ = 6169994. Its totient is φ = 6169992.

The previous prime is 6169987. The next prime is 6170029. The reversal of 6169993 is 3999616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5143824 + 1026169 = 2268^2 + 1013^2 .

It is a cyclic number.

It is not a de Polignac number, because 6169993 - 2²¹ = 4072841 is a prime.

It is not a weakly prime, because it can be changed into another prime (6169973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3084996 + 3084997.

It is an arithmetic number, because the mean of its divisors is an integer number (3084997).

Almost surely, 2^6169993 is an apocalyptic number.

It is an amenable number.

6169993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6169993 is an equidigital number, since it uses as much as digits as its factorization.

6169993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78732, while the sum is 43.

The square root of 6169993 is about 2483.9470606275. The cubic root of 6169993 is about 183.4122015122.

It can be divided in two parts, 616 and 9993, that added together give a square (10609 = 103²).

The spelling of 6169993 in words is "six million, one hundred sixty-nine thousand, nine hundred ninety-three".