1949729706 has 24 divisors (see below), whose sum is σ = 4225425984. Its totient is φ = 649754280.

The previous prime is 1949729687. The next prime is 1949729713. The reversal of 1949729706 is 6079279491.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83805 + ... + 104511.

It is an arithmetic number, because the mean of its divisors is an integer number (176059416).

Almost surely, 2^1949729706 is an apocalyptic number.

1949729706 is an abundant number, since it is smaller than the sum of its proper divisors (2275696278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1949729706 is a wasteful number, since it uses less digits than its factorization.

1949729706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25946 (or 25943 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The square root of 1949729706 is about 44155.7437486903. The cubic root of 1949729706 is about 1249.2752504851.

The spelling of 1949729706 in words is "one billion, nine hundred forty-nine million, seven hundred twenty-nine thousand, seven hundred six".