49203785061 has 12 divisors (see below), whose sum is σ = 71328715692. Its totient is φ = 32684101056.

The previous prime is 49203785041. The next prime is 49203785087. The reversal of 49203785061 is 16058730294.

It can be written as a sum of positive squares in 2 ways, for example, as 20952562500 + 28251222561 = 144750^2 + 168081^2 .

It is not a de Polignac number, because 49203785061 - 2⁷ = 49203784933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49203784998 and 49203785016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49203785011) 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 11 ways as a sum of consecutive naturals, for example, 9865896 + ... + 9870881.

It is an arithmetic number, because the mean of its divisors is an integer number (5944059641).

It is a 1-persistent number, because it is pandigital, but 2⋅49203785061 = 98407570122 is not.

Almost surely, 2^49203785061 is an apocalyptic number.

It is an amenable number.

49203785061 is a deficient number, since it is larger than the sum of its proper divisors (22124930631).

49203785061 is a wasteful number, since it uses less digits than its factorization.

49203785061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19737060 (or 19737057 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 49203785061 in words is "forty-nine billion, two hundred three million, seven hundred eighty-five thousand, sixty-one".