49161269 has 2 divisors, whose sum is σ = 49161270. Its totient is φ = 49161268.

The previous prime is 49161247. The next prime is 49161353. The reversal of 49161269 is 96216194.

49161269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26646244 + 22515025 = 5162^2 + 4745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49161269 is a prime.

It is a super-2 number, since 2×49161269² = 4833660739380722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49161239) 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, 24580634 + 24580635.

It is an arithmetic number, because the mean of its divisors is an integer number (24580635).

Almost surely, 2^49161269 is an apocalyptic number.

It is an amenable number.

49161269 is a deficient number, since it is larger than the sum of its proper divisors (1).

49161269 is an equidigital number, since it uses as much as digits as its factorization.

49161269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 49161269 is about 7011.5097518295. The cubic root of 49161269 is about 366.3315821167.

The spelling of 49161269 in words is "forty-nine million, one hundred sixty-one thousand, two hundred sixty-nine".