1982190001 has 8 divisors (see below), whose sum is σ = 2163305664. Its totient is φ = 1801227120.

The previous prime is 1982189971. The next prime is 1982190013. The reversal of 1982190001 is 1000912891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1982190001 - 2⁵ = 1982189969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1982190031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10165 + ... + 63778.

It is an arithmetic number, because the mean of its divisors is an integer number (270413208).

Almost surely, 2^1982190001 is an apocalyptic number.

1982190001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1982190001 is a deficient number, since it is larger than the sum of its proper divisors (181115663).

1982190001 is a wasteful number, since it uses less digits than its factorization.

1982190001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76391.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 1982190001 is about 44521.7924279785. The cubic root of 1982190001 is about 1256.1700280403.

The spelling of 1982190001 in words is "one billion, nine hundred eighty-two million, one hundred ninety thousand, one".