49159427393 has 2 divisors, whose sum is σ = 49159427394. Its totient is φ = 49159427392.

The previous prime is 49159427353. The next prime is 49159427419. The reversal of 49159427393 is 39372495194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47743561009 + 1415866384 = 218503^2 + 37628^2 .

It is a cyclic number.

It is not a de Polignac number, because 49159427393 - 2⁶ = 49159427329 is a prime.

It is not a weakly prime, because it can be changed into another prime (49159427353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24579713696 + 24579713697.

It is an arithmetic number, because the mean of its divisors is an integer number (24579713697).

Almost surely, 2^49159427393 is an apocalyptic number.

It is an amenable number.

49159427393 is a deficient number, since it is larger than the sum of its proper divisors (1).

49159427393 is an equidigital number, since it uses as much as digits as its factorization.

49159427393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 56.

The spelling of 49159427393 in words is "forty-nine billion, one hundred fifty-nine million, four hundred twenty-seven thousand, three hundred ninety-three".