1968849924 has 12 divisors (see below), whose sum is σ = 4593983184. Its totient is φ = 656283304.

The previous prime is 1968849913. The next prime is 1968849983. The reversal of 1968849924 is 4299488691.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82035402 + ... + 82035425.

It is an arithmetic number, because the mean of its divisors is an integer number (382831932).

Almost surely, 2^1968849924 is an apocalyptic number.

It is an amenable number.

1968849924 is an abundant number, since it is smaller than the sum of its proper divisors (2625133260).

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

1968849924 is a wasteful number, since it uses less digits than its factorization.

1968849924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164070834 (or 164070832 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 60.

The square root of 1968849924 is about 44371.7243748764. The cubic root of 1968849924 is about 1253.3456875637.

The spelling of 1968849924 in words is "one billion, nine hundred sixty-eight million, eight hundred forty-nine thousand, nine hundred twenty-four".