49446318519 has 48 divisors (see below), whose sum is σ = 79174368000. Its totient is φ = 29539012608.

The previous prime is 49446318511. The next prime is 49446318527. The reversal of 49446318519 is 91581364494.

49446318519 is a `hidden beast` number, since 4 + 9 + 446 + 3 + 185 + 19 = 666.

It is an interprime number because it is at equal distance from previous prime (49446318511) and next prime (49446318527).

It is not a de Polignac number, because 49446318519 - 2³ = 49446318511 is a prime.

It is a super-2 number, since 2×49446318519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49446318511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1931002 + ... + 1956440.

It is an arithmetic number, because the mean of its divisors is an integer number (1649466000).

Almost surely, 2^49446318519 is an apocalyptic number.

49446318519 is a deficient number, since it is larger than the sum of its proper divisors (29728049481).

49446318519 is a wasteful number, since it uses less digits than its factorization.

49446318519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25944 (or 25941 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 49446318519 in words is "forty-nine billion, four hundred forty-six million, three hundred eighteen thousand, five hundred nineteen".