49662149 has 2 divisors, whose sum is σ = 49662150. Its totient is φ = 49662148.

The previous prime is 49662139. The next prime is 49662161. The reversal of 49662149 is 94126694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44289025 + 5373124 = 6655^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 49662149 - 2⁴ = 49662133 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49662139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24831074 + 24831075.

It is an arithmetic number, because the mean of its divisors is an integer number (24831075).

Almost surely, 2^49662149 is an apocalyptic number.

It is an amenable number.

49662149 is a deficient number, since it is larger than the sum of its proper divisors (1).

49662149 is an equidigital number, since it uses as much as digits as its factorization.

49662149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The square root of 49662149 is about 7047.1376458815. The cubic root of 49662149 is about 367.5715047437.

The spelling of 49662149 in words is "forty-nine million, six hundred sixty-two thousand, one hundred forty-nine".