49966769 has 2 divisors, whose sum is σ = 49966770. Its totient is φ = 49966768.

The previous prime is 49966759. The next prime is 49966793. The reversal of 49966769 is 96766994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45387169 + 4579600 = 6737^2 + 2140^2 .

It is a cyclic number.

It is not a de Polignac number, because 49966769 - 2¹² = 49962673 is a prime.

It is a super-2 number, since 2×49966769² = 4993356008598722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49966729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24983384 + 24983385.

It is an arithmetic number, because the mean of its divisors is an integer number (24983385).

Almost surely, 2^49966769 is an apocalyptic number.

It is an amenable number.

49966769 is a deficient number, since it is larger than the sum of its proper divisors (1).

49966769 is an equidigital number, since it uses as much as digits as its factorization.

49966769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4408992, while the sum is 56.

The square root of 49966769 is about 7068.7176347623. The cubic root of 49966769 is about 368.3215157423.

The spelling of 49966769 in words is "forty-nine million, nine hundred sixty-six thousand, seven hundred sixty-nine".