1982056801 has 4 divisors (see below), whose sum is σ = 2086375600. Its totient is φ = 1877738004.

The previous prime is 1982056733. The next prime is 1982056837. The reversal of 1982056801 is 1086502891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1086502891 = 37 ⋅29364943.

It is a de Polignac number, because none of the positive numbers 2^k-1982056801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1982056861) 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, 52159371 + ... + 52159408.

It is an arithmetic number, because the mean of its divisors is an integer number (521593900).

Almost surely, 2^1982056801 is an apocalyptic number.

It is an amenable number.

1982056801 is a deficient number, since it is larger than the sum of its proper divisors (104318799).

1982056801 is a wasteful number, since it uses less digits than its factorization.

1982056801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104318798.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 1982056801 is about 44520.2965062004. The cubic root of 1982056801 is about 1256.1418898707.

The spelling of 1982056801 in words is "one billion, nine hundred eighty-two million, fifty-six thousand, eight hundred one".