1939622968 has 16 divisors (see below), whose sum is σ = 3638043000. Its totient is φ = 969478176.

The previous prime is 1939622963. The next prime is 1939622983. The reversal of 1939622968 is 8692269391.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1939622963) 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, 16003 + ... + 64306.

Almost surely, 2^1939622968 is an apocalyptic number.

It is an amenable number.

1939622968 is a deficient number, since it is larger than the sum of its proper divisors (1698420032).

1939622968 is a wasteful number, since it uses less digits than its factorization.

1939622968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83334 (or 83330 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 55.

The square root of 1939622968 is about 44041.1508478150. The cubic root of 1939622968 is about 1247.1129033790.

The spelling of 1939622968 in words is "one billion, nine hundred thirty-nine million, six hundred twenty-two thousand, nine hundred sixty-eight".