49868969 has 2 divisors, whose sum is σ = 49868970. Its totient is φ = 49868968.

The previous prime is 49868947. The next prime is 49868989. The reversal of 49868969 is 96986894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45050944 + 4818025 = 6712^2 + 2195^2 .

It is a cyclic number.

It is not a de Polignac number, because 49868969 - 2¹⁶ = 49803433 is a prime.

It is a super-2 number, since 2×49868969² = 4973828138245922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49868989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24934484 + 24934485.

It is an arithmetic number, because the mean of its divisors is an integer number (24934485).

Almost surely, 2^49868969 is an apocalyptic number.

It is an amenable number.

49868969 is a deficient number, since it is larger than the sum of its proper divisors (1).

49868969 is an equidigital number, since it uses as much as digits as its factorization.

49868969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 59.

The square root of 49868969 is about 7061.7964428324. The cubic root of 49868969 is about 368.0810534483.

The spelling of 49868969 in words is "forty-nine million, eight hundred sixty-eight thousand, nine hundred sixty-nine".