973868849 has 2 divisors, whose sum is σ = 973868850. Its totient is φ = 973868848.

The previous prime is 973868839. The next prime is 973868869. The reversal of 973868849 is 948868379.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 927628849 + 46240000 = 30457^2 + 6800^2 .

It is a cyclic number.

It is not a de Polignac number, because 973868849 - 2⁸ = 973868593 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 973868791 and 973868800.

It is not a weakly prime, because it can be changed into another prime (973868839) 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 as a sum of consecutive naturals, namely, 486934424 + 486934425.

It is an arithmetic number, because the mean of its divisors is an integer number (486934425).

Almost surely, 2^973868849 is an apocalyptic number.

It is an amenable number.

973868849 is a deficient number, since it is larger than the sum of its proper divisors (1).

973868849 is an equidigital number, since it uses as much as digits as its factorization.

973868849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 62.

The square root of 973868849 is about 31206.8718233661. The cubic root of 973868849 is about 991.2126245471.

It can be divided in two parts, 9738 and 68849, that added together give a palindrome (78587).

The spelling of 973868849 in words is "nine hundred seventy-three million, eight hundred sixty-eight thousand, eight hundred forty-nine".