2190898671 has 32 divisors (see below), whose sum is σ = 3192396480. Its totient is φ = 1328431104.

The previous prime is 2190898669. The next prime is 2190898691. The reversal of 2190898671 is 1768980912.

It is not a de Polignac number, because 2190898671 - 2¹ = 2190898669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190898601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1168791 + ... + 1170663.

It is an arithmetic number, because the mean of its divisors is an integer number (99762390).

Almost surely, 2^2190898671 is an apocalyptic number.

2190898671 is a deficient number, since it is larger than the sum of its proper divisors (1001497809).

2190898671 is a wasteful number, since it uses less digits than its factorization.

2190898671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315.

The product of its (nonzero) digits is 435456, while the sum is 51.

The square root of 2190898671 is about 46807.0365543473. The cubic root of 2190898671 is about 1298.7954663180.

The spelling of 2190898671 in words is "two billion, one hundred ninety million, eight hundred ninety-eight thousand, six hundred seventy-one".