49517797019 has 2 divisors, whose sum is σ = 49517797020. Its totient is φ = 49517797018.

The previous prime is 49517797001. The next prime is 49517797037. The reversal of 49517797019 is 91079771594.

It is a balanced prime because it is at equal distance from previous prime (49517797001) and next prime (49517797037).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49517797019 is a prime.

It is a super-2 number, since 2×49517797019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49517797039) 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, 24758898509 + 24758898510.

It is an arithmetic number, because the mean of its divisors is an integer number (24758898510).

Almost surely, 2^49517797019 is an apocalyptic number.

49517797019 is a deficient number, since it is larger than the sum of its proper divisors (1).

49517797019 is an equidigital number, since it uses as much as digits as its factorization.

49517797019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5000940, while the sum is 59.

The spelling of 49517797019 in words is "forty-nine billion, five hundred seventeen million, seven hundred ninety-seven thousand, nineteen".