49297769 has 2 divisors, whose sum is σ = 49297770. Its totient is φ = 49297768.

The previous prime is 49297741. The next prime is 49297777. The reversal of 49297769 is 96779294.

It is a happy number.

49297769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49182169 + 115600 = 7013^2 + 340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49297769 is a prime.

It is a super-2 number, since 2×49297769² = 4860540056754722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49297769.

It is not a weakly prime, because it can be changed into another prime (49297069) 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, 24648884 + 24648885.

It is an arithmetic number, because the mean of its divisors is an integer number (24648885).

Almost surely, 2^49297769 is an apocalyptic number.

It is an amenable number.

49297769 is a deficient number, since it is larger than the sum of its proper divisors (1).

49297769 is an equidigital number, since it uses as much as digits as its factorization.

49297769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 53.

The square root of 49297769 is about 7021.2369992758. The cubic root of 49297769 is about 366.6703179618.

The spelling of 49297769 in words is "forty-nine million, two hundred ninety-seven thousand, seven hundred sixty-nine".