1949682808 has 16 divisors (see below), whose sum is σ = 3870694080. Its totient is φ = 917497728.

The previous prime is 1949682803. The next prime is 1949682817. The reversal of 1949682808 is 8082869491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949682803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7167816 + ... + 7168087.

It is an arithmetic number, because the mean of its divisors is an integer number (241918380).

Almost surely, 2^1949682808 is an apocalyptic number.

It is an amenable number.

1949682808 is a deficient number, since it is larger than the sum of its proper divisors (1921011272).

1949682808 is a wasteful number, since it uses less digits than its factorization.

1949682808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14335926 (or 14335922 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 55.

The square root of 1949682808 is about 44155.2126934069. The cubic root of 1949682808 is about 1249.2652338863.

The spelling of 1949682808 in words is "one billion, nine hundred forty-nine million, six hundred eighty-two thousand, eight hundred eight".