49170805393 has 2 divisors, whose sum is σ = 49170805394. Its totient is φ = 49170805392.

The previous prime is 49170805391. The next prime is 49170805399. The reversal of 49170805393 is 39350807194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32388121089 + 16782684304 = 179967^2 + 129548^2 .

It is a cyclic number.

It is not a de Polignac number, because 49170805393 - 2¹ = 49170805391 is a prime.

Together with 49170805391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (49170805391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24585402696 + 24585402697.

It is an arithmetic number, because the mean of its divisors is an integer number (24585402697).

Almost surely, 2^49170805393 is an apocalyptic number.

It is an amenable number.

49170805393 is a deficient number, since it is larger than the sum of its proper divisors (1).

49170805393 is an equidigital number, since it uses as much as digits as its factorization.

49170805393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 49170805393 in words is "forty-nine billion, one hundred seventy million, eight hundred five thousand, three hundred ninety-three".