1973329812 has 36 divisors (see below), whose sum is σ = 5072689440. Its totient is φ = 646627152.

The previous prime is 1973329811. The next prime is 1973329817. The reversal of 1973329812 is 2189233791.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973329811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 462408 + ... + 466655.

It is an arithmetic number, because the mean of its divisors is an integer number (140908040).

Almost surely, 2^1973329812 is an apocalyptic number.

1973329812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1973329812 is an abundant number, since it is smaller than the sum of its proper divisors (3099359628).

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

1973329812 is a wasteful number, since it uses less digits than its factorization.

1973329812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929132 (or 929127 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 1973329812 is about 44422.1770290471. The cubic root of 1973329812 is about 1254.2955813686.

The spelling of 1973329812 in words is "one billion, nine hundred seventy-three million, three hundred twenty-nine thousand, eight hundred twelve".