49940369 has 2 divisors, whose sum is σ = 49940370. Its totient is φ = 49940368.

The previous prime is 49940347. The next prime is 49940377. The reversal of 49940369 is 96304994.

It is a happy number.

49940369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28890625 + 21049744 = 5375^2 + 4588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49940369 is a prime.

It is a super-2 number, since 2×49940369² = 4988080911712322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49940399) 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, 24970184 + 24970185.

It is an arithmetic number, because the mean of its divisors is an integer number (24970185).

Almost surely, 2^49940369 is an apocalyptic number.

It is an amenable number.

49940369 is a deficient number, since it is larger than the sum of its proper divisors (1).

49940369 is an equidigital number, since it uses as much as digits as its factorization.

49940369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 49940369 is about 7066.8500054833. The cubic root of 49940369 is about 368.2566366155.

The spelling of 49940369 in words is "forty-nine million, nine hundred forty thousand, three hundred sixty-nine".