1972682843 has 16 divisors (see below), whose sum is σ = 2055243456. Its totient is φ = 1892192640.

The previous prime is 1972682827. The next prime is 1972682849. The reversal of 1972682843 is 3482862791.

It is a cyclic number.

It is not a de Polignac number, because 1972682843 - 2⁴ = 1972682827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1972682791 and 1972682800.

It is not an unprimeable number, because it can be changed into a prime (1972682849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557546 + ... + 561072.

It is an arithmetic number, because the mean of its divisors is an integer number (128452716).

Almost surely, 2^1972682843 is an apocalyptic number.

1972682843 is a deficient number, since it is larger than the sum of its proper divisors (82560613).

1972682843 is a wasteful number, since it uses less digits than its factorization.

1972682843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814.

The product of its digits is 1161216, while the sum is 50.

The square root of 1972682843 is about 44414.8943824028. The cubic root of 1972682843 is about 1254.1584900669.

The spelling of 1972682843 in words is "one billion, nine hundred seventy-two million, six hundred eighty-two thousand, eight hundred forty-three".