49749948738 has 40 divisors (see below), whose sum is σ = 127401988032. Its totient is φ = 14214270744.

The previous prime is 49749948697. The next prime is 49749948739. The reversal of 49749948738 is 83784994794.

49749948738 is a `hidden beast` number, since 4 + 97 + 499 + 48 + 7 + 3 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (49749948739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21934470 + ... + 21936737.

Almost surely, 2^49749948738 is an apocalyptic number.

49749948738 is an abundant number, since it is smaller than the sum of its proper divisors (77652039294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49749948738 is a wasteful number, since it uses less digits than its factorization.

49749948738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43871228 (or 43871219 counting only the distinct ones).

The product of its digits is 438939648, while the sum is 72.

The spelling of 49749948738 in words is "forty-nine billion, seven hundred forty-nine million, nine hundred forty-eight thousand, seven hundred thirty-eight".