1949827101 has 32 divisors (see below), whose sum is σ = 2803507200. Its totient is φ = 1201527360.

The previous prime is 1949827079. The next prime is 1949827109. The reversal of 1949827101 is 1017289491.

It is not a de Polignac number, because 1949827101 - 2¹³ = 1949818909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949827109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1041196 + ... + 1043066.

It is an arithmetic number, because the mean of its divisors is an integer number (87609600).

Almost surely, 2^1949827101 is an apocalyptic number.

It is an amenable number.

1949827101 is a deficient number, since it is larger than the sum of its proper divisors (853680099).

1949827101 is a wasteful number, since it uses less digits than its factorization.

1949827101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329.

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 1949827101 is about 44156.8465925727. The cubic root of 1949827101 is about 1249.2960518534.

The spelling of 1949827101 in words is "one billion, nine hundred forty-nine million, eight hundred twenty-seven thousand, one hundred one".