49885279825919 has 2 divisors, whose sum is σ = 49885279825920. Its totient is φ = 49885279825918.

The previous prime is 49885279825903. The next prime is 49885279825991. The reversal of 49885279825919 is 91952897258894.

Together with next prime (49885279825991) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49885279825919 - 2⁴ = 49885279825903 is a prime.

It is a super-3 number, since 3×49885279825919³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49885279825319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24942639912959 + 24942639912960.

It is an arithmetic number, because the mean of its divisors is an integer number (24942639912960).

Almost surely, 2^{49885279825919} is an apocalyptic number.

49885279825919 is a deficient number, since it is larger than the sum of its proper divisors (1).

49885279825919 is an equidigital number, since it uses as much as digits as its factorization.

49885279825919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9405849600, while the sum is 86.

The spelling of 49885279825919 in words is "forty-nine trillion, eight hundred eighty-five billion, two hundred seventy-nine million, eight hundred twenty-five thousand, nine hundred nineteen".