49684000861 has 8 divisors (see below), whose sum is σ = 56069719200. Its totient is φ = 43609781040.

The previous prime is 49684000843. The next prime is 49684000897. The reversal of 49684000861 is 16800048694.

49684000861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 49684000861 - 2¹¹ = 49683998813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49684000841) 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, 77874291 + ... + 77874928.

It is an arithmetic number, because the mean of its divisors is an integer number (7008714900).

Almost surely, 2^49684000861 is an apocalyptic number.

49684000861 is the 99684-th centered decagonal number.

It is an amenable number.

49684000861 is a deficient number, since it is larger than the sum of its proper divisors (6385718339).

49684000861 is a wasteful number, since it uses less digits than its factorization.

49684000861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155749259.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 49684000861 in words is "forty-nine billion, six hundred eighty-four million, eight hundred sixty-one", and thus it is an aban number.