49471869019 has 2 divisors, whose sum is σ = 49471869020. Its totient is φ = 49471869018.

The previous prime is 49471868989. The next prime is 49471869047. The reversal of 49471869019 is 91096817494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49471869019 - 2⁷ = 49471868891 is a prime.

It is a super-2 number, since 2×49471869019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49471869059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24735934509 + 24735934510.

It is an arithmetic number, because the mean of its divisors is an integer number (24735934510).

Almost surely, 2^49471869019 is an apocalyptic number.

49471869019 is a deficient number, since it is larger than the sum of its proper divisors (1).

49471869019 is an equidigital number, since it uses as much as digits as its factorization.

49471869019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 49471869019 in words is "forty-nine billion, four hundred seventy-one million, eight hundred sixty-nine thousand, nineteen".