49519509212 has 24 divisors (see below), whose sum is σ = 86813252400. Its totient is φ = 24715760256.

The previous prime is 49519509211. The next prime is 49519509217. The reversal of 49519509212 is 21290591594.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49519509211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8151008 + ... + 8157080.

It is an arithmetic number, because the mean of its divisors is an integer number (3617218850).

Almost surely, 2^49519509212 is an apocalyptic number.

It is an amenable number.

49519509212 is a deficient number, since it is larger than the sum of its proper divisors (37293743188).

49519509212 is a wasteful number, since it uses less digits than its factorization.

49519509212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9365 (or 9363 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 47.

The spelling of 49519509212 in words is "forty-nine billion, five hundred nineteen million, five hundred nine thousand, two hundred twelve".