1982568823725 has 48 divisors (see below), whose sum is σ = 3765521090432. Its totient is φ = 901621186560.

The previous prime is 1982568823723. The next prime is 1982568823769. The reversal of 1982568823725 is 5273288652891.

It is not a de Polignac number, because 1982568823725 - 2¹ = 1982568823723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982568823723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9681892 + ... + 9884541.

Almost surely, 2^{1982568823725} is an apocalyptic number.

1982568823725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1982568823725 is a deficient number, since it is larger than the sum of its proper divisors (1782952266707).

1982568823725 is a wasteful number, since it uses less digits than its factorization.

1982568823725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19566646 (or 19566641 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 66.

The spelling of 1982568823725 in words is "one trillion, nine hundred eighty-two billion, five hundred sixty-eight million, eight hundred twenty-three thousand, seven hundred twenty-five".