49206705893 has 2 divisors, whose sum is σ = 49206705894. Its totient is φ = 49206705892.

The previous prime is 49206705881. The next prime is 49206705929. The reversal of 49206705893 is 39850760294.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49169958049 + 36747844 = 221743^2 + 6062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49206705893 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 (49206701893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24603352946 + 24603352947.

It is an arithmetic number, because the mean of its divisors is an integer number (24603352947).

Almost surely, 2^49206705893 is an apocalyptic number.

It is an amenable number.

49206705893 is a deficient number, since it is larger than the sum of its proper divisors (1).

49206705893 is an equidigital number, since it uses as much as digits as its factorization.

49206705893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 49206705893 in words is "forty-nine billion, two hundred six million, seven hundred five thousand, eight hundred ninety-three".