1973121676 has 12 divisors (see below), whose sum is σ = 3478168008. Its totient is φ = 979359392.

The previous prime is 1973121673. The next prime is 1973121701. The reversal of 1973121676 is 6761213791.

It is not an unprimeable number, because it can be changed into a prime (1973121673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1799746 + ... + 1800841.

It is an arithmetic number, because the mean of its divisors is an integer number (289847334).

Almost surely, 2^1973121676 is an apocalyptic number.

It is an amenable number.

1973121676 is a deficient number, since it is larger than the sum of its proper divisors (1505046332).

1973121676 is a wasteful number, since it uses less digits than its factorization.

1973121676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600728 (or 3600726 counting only the distinct ones).

The product of its digits is 95256, while the sum is 43.

The square root of 1973121676 is about 44419.8342635359. The cubic root of 1973121676 is about 1254.2514810798.

The spelling of 1973121676 in words is "one billion, nine hundred seventy-three million, one hundred twenty-one thousand, six hundred seventy-six".