49491525812 has 24 divisors (see below), whose sum is σ = 91185524640. Its totient is φ = 23439002400.

The previous prime is 49491525803. The next prime is 49491525827. The reversal of 49491525812 is 21852519494.

It is a super-2 number, since 2×49491525812² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371858 + ... + 487094.

It is an arithmetic number, because the mean of its divisors is an integer number (3799396860).

Almost surely, 2^49491525812 is an apocalyptic number.

It is an amenable number.

49491525812 is a deficient number, since it is larger than the sum of its proper divisors (41693998828).

49491525812 is a wasteful number, since it uses less digits than its factorization.

49491525812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120911 (or 120909 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 50.

The spelling of 49491525812 in words is "forty-nine billion, four hundred ninety-one million, five hundred twenty-five thousand, eight hundred twelve".