49680689 has 2 divisors, whose sum is σ = 49680690. Its totient is φ = 49680688.

The previous prime is 49680671. The next prime is 49680703. The reversal of 49680689 is 98608694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36663025 + 13017664 = 6055^2 + 3608^2 .

It is a cyclic number.

It is not a de Polignac number, because 49680689 - 2¹² = 49676593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49680629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24840344 + 24840345.

It is an arithmetic number, because the mean of its divisors is an integer number (24840345).

Almost surely, 2^49680689 is an apocalyptic number.

It is an amenable number.

49680689 is a deficient number, since it is larger than the sum of its proper divisors (1).

49680689 is an equidigital number, since it uses as much as digits as its factorization.

49680689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 49680689 is about 7048.4529508255. The cubic root of 49680689 is about 367.6172399631.

The spelling of 49680689 in words is "forty-nine million, six hundred eighty thousand, six hundred eighty-nine".