49198955719 has 2 divisors, whose sum is σ = 49198955720. Its totient is φ = 49198955718.

The previous prime is 49198955693. The next prime is 49198955731. The reversal of 49198955719 is 91755989194.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49198955719 - 2⁷ = 49198955591 is a prime.

It is a super-2 number, since 2×49198955719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49198955219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24599477859 + 24599477860.

It is an arithmetic number, because the mean of its divisors is an integer number (24599477860).

Almost surely, 2^49198955719 is an apocalyptic number.

49198955719 is a deficient number, since it is larger than the sum of its proper divisors (1).

49198955719 is an equidigital number, since it uses as much as digits as its factorization.

49198955719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36741600, while the sum is 67.

The spelling of 49198955719 in words is "forty-nine billion, one hundred ninety-eight million, nine hundred fifty-five thousand, seven hundred nineteen".