49156543959845 has 16 divisors (see below), whose sum is σ = 67414804174080. Its totient is φ = 33707286772224.

The previous prime is 49156543959839. The next prime is 49156543959877. The reversal of 49156543959845 is 54895934565194.

49156543959845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 49156543959845 - 2²⁰ = 49156542911269 is a prime.

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, 34484789 + ... + 35881941.

It is an arithmetic number, because the mean of its divisors is an integer number (4213425260880).

Almost surely, 2^{49156543959845} is an apocalyptic number.

It is an amenable number.

49156543959845 is a deficient number, since it is larger than the sum of its proper divisors (18258260214235).

49156543959845 is a wasteful number, since it uses less digits than its factorization.

49156543959845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402404.

The product of its digits is 4199040000, while the sum is 77.

The spelling of 49156543959845 in words is "forty-nine trillion, one hundred fifty-six billion, five hundred forty-three million, nine hundred fifty-nine thousand, eight hundred forty-five".