49456377861 has 16 divisors (see below), whose sum is σ = 72166393920. Its totient is φ = 29877793920.

The previous prime is 49456377829. The next prime is 49456377907. The reversal of 49456377861 is 16877365494.

It is not a de Polignac number, because 49456377861 - 2⁵ = 49456377829 is a prime.

It is a super-2 number, since 2×49456377861² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49456377795 and 49456377804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49456377661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2383726 + ... + 2404383.

It is an arithmetic number, because the mean of its divisors is an integer number (4510399620).

Almost surely, 2^49456377861 is an apocalyptic number.

It is an amenable number.

49456377861 is a deficient number, since it is larger than the sum of its proper divisors (22710016059).

49456377861 is a wasteful number, since it uses less digits than its factorization.

49456377861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788436.

The product of its digits is 30481920, while the sum is 60.

The spelling of 49456377861 in words is "forty-nine billion, four hundred fifty-six million, three hundred seventy-seven thousand, eight hundred sixty-one".