1949401912 has 16 divisors (see below), whose sum is σ = 3657114360. Its totient is φ = 974171424.

The previous prime is 1949401901. The next prime is 1949401921. The reversal of 1949401912 is 2191049491.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50323 + ... + 80194.

Almost surely, 2^1949401912 is an apocalyptic number.

It is an amenable number.

1949401912 is a deficient number, since it is larger than the sum of its proper divisors (1707712448).

1949401912 is a wasteful number, since it uses less digits than its factorization.

1949401912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132390 (or 132386 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 1949401912 is about 44152.0317992275. The cubic root of 1949401912 is about 1249.2052360139.

The spelling of 1949401912 in words is "one billion, nine hundred forty-nine million, four hundred one thousand, nine hundred twelve".