1973205050 has 12 divisors (see below), whose sum is σ = 3670161486. Its totient is φ = 789282000.

The previous prime is 1973205049. The next prime is 1973205053. The reversal of 1973205050 is 505023791.

It can be written as a sum of positive squares in 3 ways, for example, as 849547609 + 1123657441 = 29147^2 + 33521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1973204998 and 1973205016.

It is not an unprimeable number, because it can be changed into a prime (1973205053) 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 5 ways as a sum of consecutive naturals, for example, 19732001 + ... + 19732100.

Almost surely, 2^1973205050 is an apocalyptic number.

1973205050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1973205050 is a deficient number, since it is larger than the sum of its proper divisors (1696956436).

1973205050 is a wasteful number, since it uses less digits than its factorization.

1973205050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39464113 (or 39464108 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 1973205050 is about 44420.7727307844. The cubic root of 1973205050 is about 1254.2691469087.

The spelling of 1973205050 in words is "one billion, nine hundred seventy-three million, two hundred five thousand, fifty".