49808185903 has 8 divisors (see below), whose sum is σ = 56933159040. Its totient is φ = 42685592280.

The previous prime is 49808185859. The next prime is 49808185909. The reversal of 49808185903 is 30958180894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49808185903 - 2²¹ = 49806088751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49808185909) 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, 549793 + ... + 633946.

It is an arithmetic number, because the mean of its divisors is an integer number (7116644880).

Almost surely, 2^49808185903 is an apocalyptic number.

49808185903 is a deficient number, since it is larger than the sum of its proper divisors (7124973137).

49808185903 is a wasteful number, since it uses less digits than its factorization.

49808185903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189757.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 49808185903 in words is "forty-nine billion, eight hundred eight million, one hundred eighty-five thousand, nine hundred three".