49163971635 has 24 divisors (see below), whose sum is σ = 85971697344. Its totient is φ = 25988739840.

The previous prime is 49163971621. The next prime is 49163971673. The reversal of 49163971635 is 53617936194.

49163971635 is a `hidden beast` number, since 4 + 91 + 6 + 397 + 163 + 5 = 666.

It is not a de Polignac number, because 49163971635 - 2⁹ = 49163971123 is a prime.

It is a super-3 number, since 3×49163971635³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4829131 + ... + 4839300.

It is an arithmetic number, because the mean of its divisors is an integer number (3582154056).

Almost surely, 2^49163971635 is an apocalyptic number.

49163971635 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49163971635 is a deficient number, since it is larger than the sum of its proper divisors (36807725709).

49163971635 is a wasteful number, since it uses less digits than its factorization.

49163971635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9668555 (or 9668552 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The spelling of 49163971635 in words is "forty-nine billion, one hundred sixty-three million, nine hundred seventy-one thousand, six hundred thirty-five".