1980034171 has 4 divisors (see below), whose sum is σ = 1988913472. Its totient is φ = 1971154872.

The previous prime is 1980034163. The next prime is 1980034193. The reversal of 1980034171 is 1714300891.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1980034171 - 2³ = 1980034163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1980034151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4439316 + ... + 4439761.

It is an arithmetic number, because the mean of its divisors is an integer number (497228368).

Almost surely, 2^1980034171 is an apocalyptic number.

1980034171 is a deficient number, since it is larger than the sum of its proper divisors (8879301).

1980034171 is an equidigital number, since it uses as much as digits as its factorization.

1980034171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8879300.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1980034171 is about 44497.5748889757. The cubic root of 1980034171 is about 1255.7144593013.

The spelling of 1980034171 in words is "one billion, nine hundred eighty million, thirty-four thousand, one hundred seventy-one".