49115661748 has 24 divisors (see below), whose sum is σ = 86133196800. Its totient is φ = 24506232768.

The previous prime is 49115661743. The next prime is 49115661757. The reversal of 49115661748 is 84716651194.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 49115661695 and 49115661704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49115661743) 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 7 ways as a sum of consecutive naturals, for example, 4132911 + ... + 4144777.

It is an arithmetic number, because the mean of its divisors is an integer number (3588883200).

Almost surely, 2^49115661748 is an apocalyptic number.

It is an amenable number.

49115661748 is a deficient number, since it is larger than the sum of its proper divisors (37017535052).

49115661748 is a wasteful number, since it uses less digits than its factorization.

49115661748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13959 (or 13957 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 52.

The spelling of 49115661748 in words is "forty-nine billion, one hundred fifteen million, six hundred sixty-one thousand, seven hundred forty-eight".