49521617049 has 16 divisors (see below), whose sum is σ = 71231985792. Its totient is φ = 30486114048.

The previous prime is 49521617023. The next prime is 49521617063. The reversal of 49521617049 is 94071612594.

It is a happy number.

It is not a de Polignac number, because 49521617049 - 2⁹ = 49521616537 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49521616989 and 49521617007.

It is not an unprimeable number, because it can be changed into a prime (49521610049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9157789 + ... + 9163194.

It is an arithmetic number, because the mean of its divisors is an integer number (4451999112).

Almost surely, 2^49521617049 is an apocalyptic number.

It is an amenable number.

49521617049 is a deficient number, since it is larger than the sum of its proper divisors (21710368743).

49521617049 is a wasteful number, since it uses less digits than its factorization.

49521617049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18321056.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 49521617049 in words is "forty-nine billion, five hundred twenty-one million, six hundred seventeen thousand, forty-nine".