1973996912 has 20 divisors (see below), whose sum is σ = 3826812360. Its totient is φ = 986432448.

The previous prime is 1973996891. The next prime is 1973996917. The reversal of 1973996912 is 2196993791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973996917) 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, 5858 + ... + 63105.

It is an arithmetic number, because the mean of its divisors is an integer number (191340618).

Almost surely, 2^1973996912 is an apocalyptic number.

It is an amenable number.

1973996912 is a deficient number, since it is larger than the sum of its proper divisors (1852815448).

1973996912 is a wasteful number, since it uses less digits than its factorization.

1973996912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70760 (or 70754 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 56.

The square root of 1973996912 is about 44429.6850315192. The cubic root of 1973996912 is about 1254.4369070112.

The spelling of 1973996912 in words is "one billion, nine hundred seventy-three million, nine hundred ninety-six thousand, nine hundred twelve".