49893869 has 2 divisors, whose sum is σ = 49893870. Its totient is φ = 49893868.

The previous prime is 49893859. The next prime is 49893887. The reversal of 49893869 is 96839894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26728900 + 23164969 = 5170^2 + 4813^2 .

It is a cyclic number.

It is not a de Polignac number, because 49893869 - 2¹⁶ = 49828333 is a prime.

It is a super-2 number, since 2×49893869² = 4978796327578322, 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 (49893859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24946934 + 24946935.

It is an arithmetic number, because the mean of its divisors is an integer number (24946935).

Almost surely, 2^49893869 is an apocalyptic number.

It is an amenable number.

49893869 is a deficient number, since it is larger than the sum of its proper divisors (1).

49893869 is an equidigital number, since it uses as much as digits as its factorization.

49893869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 56.

The square root of 49893869 is about 7063.5592303031. The cubic root of 49893869 is about 368.1423052542.

The spelling of 49893869 in words is "forty-nine million, eight hundred ninety-three thousand, eight hundred sixty-nine".