49351680019 has 2 divisors, whose sum is σ = 49351680020. Its totient is φ = 49351680018.

The previous prime is 49351680011. The next prime is 49351680031. The reversal of 49351680019 is 91008615394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49351680019 - 2³ = 49351680011 is a prime.

It is a super-2 number, since 2×49351680019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49351680011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24675840009 + 24675840010.

It is an arithmetic number, because the mean of its divisors is an integer number (24675840010).

Almost surely, 2^49351680019 is an apocalyptic number.

49351680019 is a deficient number, since it is larger than the sum of its proper divisors (1).

49351680019 is an equidigital number, since it uses as much as digits as its factorization.

49351680019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 49351680019 in words is "forty-nine billion, three hundred fifty-one million, six hundred eighty thousand, nineteen".