4969187549 has 2 divisors, whose sum is σ = 4969187550. Its totient is φ = 4969187548.

The previous prime is 4969187539. The next prime is 4969187569. The reversal of 4969187549 is 9457819694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4902520324 + 66667225 = 70018^2 + 8165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4969187549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4969187491 and 4969187500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4969187539) 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 as a sum of consecutive naturals, namely, 2484593774 + 2484593775.

It is an arithmetic number, because the mean of its divisors is an integer number (2484593775).

Almost surely, 2^4969187549 is an apocalyptic number.

It is an amenable number.

4969187549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4969187549 is an equidigital number, since it uses as much as digits as its factorization.

4969187549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 62.

The square root of 4969187549 is about 70492.4644838014. The cubic root of 4969187549 is about 1706.4561364748.

The spelling of 4969187549 in words is "four billion, nine hundred sixty-nine million, one hundred eighty-seven thousand, five hundred forty-nine".