2001870261017 has 4 divisors (see below), whose sum is σ = 2183858466576. Its totient is φ = 1819882055460.

The previous prime is 2001870260987. The next prime is 2001870261031. The reversal of 2001870261017 is 7101620781002.

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.

It is a cyclic number.

It is not a de Polignac number, because 2001870261017 - 2²⁴ = 2001853483801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001870261037) 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, 90994102763 + ... + 90994102784.

It is an arithmetic number, because the mean of its divisors is an integer number (545964616644).

Almost surely, 2^{2001870261017} is an apocalyptic number.

It is an amenable number.

2001870261017 is a deficient number, since it is larger than the sum of its proper divisors (181988205559).

2001870261017 is a wasteful number, since it uses less digits than its factorization.

2001870261017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181988205558.

The product of its (nonzero) digits is 9408, while the sum is 35.

The spelling of 2001870261017 in words is "two trillion, one billion, eight hundred seventy million, two hundred sixty-one thousand, seventeen".