49865256894 has 32 divisors (see below), whose sum is σ = 102960681984. Its totient is φ = 16083527040.

The previous prime is 49865256761. The next prime is 49865256901.

49865256894 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×49865256894² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2301757 + ... + 2323319.

It is an arithmetic number, because the mean of its divisors is an integer number (3217521312).

Almost surely, 2^49865256894 is an apocalyptic number.

49865256894 is an abundant number, since it is smaller than the sum of its proper divisors (53095425090).

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

49865256894 is a wasteful number, since it uses less digits than its factorization.

49865256894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34032.

The product of its digits is 149299200, while the sum is 66.

The spelling of 49865256894 in words is "forty-nine billion, eight hundred sixty-five million, two hundred fifty-six thousand, eight hundred ninety-four".