49894514302818 has 16 divisors (see below), whose sum is σ = 102109703690016. Its totient is φ = 16244725586880.

The previous prime is 49894514302813. The next prime is 49894514302819. The reversal of 49894514302818 is 81820341549894.

It is a super-2 number, since 2×49894514302818² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49894514302813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96694794903 + ... + 96694795418.

It is an arithmetic number, because the mean of its divisors is an integer number (6381856480626).

Almost surely, 2^{49894514302818} is an apocalyptic number.

49894514302818 is an abundant number, since it is smaller than the sum of its proper divisors (52215189387198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49894514302818 is a wasteful number, since it uses less digits than its factorization.

49894514302818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193389590369.

The product of its (nonzero) digits is 79626240, while the sum is 66.

The spelling of 49894514302818 in words is "forty-nine trillion, eight hundred ninety-four billion, five hundred fourteen million, three hundred two thousand, eight hundred eighteen".