49759669 has 2 divisors, whose sum is σ = 49759670. Its totient is φ = 49759668.

The previous prime is 49759667. The next prime is 49759687. The reversal of 49759669 is 96695794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40068900 + 9690769 = 6330^2 + 3113^2 .

It is a cyclic number.

It is not a de Polignac number, because 49759669 - 2¹ = 49759667 is a prime.

It is a super-2 number, since 2×49759669² = 4952049317979122, which contains 22 as substring.

Together with 49759667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49759667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24879834 + 24879835.

It is an arithmetic number, because the mean of its divisors is an integer number (24879835).

Almost surely, 2^49759669 is an apocalyptic number.

It is an amenable number.

49759669 is a deficient number, since it is larger than the sum of its proper divisors (1).

49759669 is an equidigital number, since it uses as much as digits as its factorization.

49759669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 55.

The square root of 49759669 is about 7054.0533737703. The cubic root of 49759669 is about 367.8119436325.

The spelling of 49759669 in words is "forty-nine million, seven hundred fifty-nine thousand, six hundred sixty-nine".