49609218202 has 16 divisors (see below), whose sum is σ = 78856132392. Its totient is φ = 23326248960.

The previous prime is 49609218179. The next prime is 49609218203. The reversal of 49609218202 is 20281290694.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 44749594681 + 4859623521 = 211541^2 + 69711^2 .

It is a super-2 number, since 2×49609218202² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49609218203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560199 + ... + 642682.

Almost surely, 2^49609218202 is an apocalyptic number.

49609218202 is a deficient number, since it is larger than the sum of its proper divisors (29246914190).

49609218202 is a wasteful number, since it uses less digits than its factorization.

49609218202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204113.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 49609218202 in words is "forty-nine billion, six hundred nine million, two hundred eighteen thousand, two hundred two".