49534984521 has 24 divisors (see below), whose sum is σ = 78074657856. Its totient is φ = 30013691040.

The previous prime is 49534984519. The next prime is 49534984571. The reversal of 49534984521 is 12548943594.

It is a happy number.

49534984521 is a `hidden beast` number, since 4 + 9 + 5 + 34 + 9 + 84 + 521 = 666.

It is not a de Polignac number, because 49534984521 - 2¹ = 49534984519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49534984571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348636 + ... + 469698.

It is an arithmetic number, because the mean of its divisors is an integer number (3253110744).

Almost surely, 2^49534984521 is an apocalyptic number.

It is an amenable number.

49534984521 is a deficient number, since it is larger than the sum of its proper divisors (28539673335).

49534984521 is a wasteful number, since it uses less digits than its factorization.

49534984521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125213 (or 125210 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 49534984521 in words is "forty-nine billion, five hundred thirty-four million, nine hundred eighty-four thousand, five hundred twenty-one".