2190171313 has 4 divisors (see below), whose sum is σ = 2389277808. Its totient is φ = 1991064820.

The previous prime is 2190171307. The next prime is 2190171317. The reversal of 2190171313 is 3131710912.

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 a de Polignac number, because none of the positive numbers 2^k-2190171313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2190171317) 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, 99553231 + ... + 99553252.

It is an arithmetic number, because the mean of its divisors is an integer number (597319452).

Almost surely, 2^2190171313 is an apocalyptic number.

It is an amenable number.

2190171313 is a deficient number, since it is larger than the sum of its proper divisors (199106495).

2190171313 is a wasteful number, since it uses less digits than its factorization.

2190171313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199106494.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 2190171313 is about 46799.2661587765. The cubic root of 2190171313 is about 1298.6517210675.

The spelling of 2190171313 in words is "two billion, one hundred ninety million, one hundred seventy-one thousand, three hundred thirteen".