2190670641 has 24 divisors (see below), whose sum is σ = 3202195776. Its totient is φ = 1443022560.

The previous prime is 2190670589. The next prime is 2190670663. The reversal of 2190670641 is 1460760912.

2190670641 is a `hidden beast` number, since 2 + 1 + 9 + 0 + 6 + 7 + 0 + 641 = 666.

It is not a de Polignac number, because 2190670641 - 2⁶ = 2190670577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2190670596 and 2190670605.

It is not an unprimeable number, because it can be changed into a prime (2190670841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452751 + ... + 457563.

It is an arithmetic number, because the mean of its divisors is an integer number (133424824).

Almost surely, 2^2190670641 is an apocalyptic number.

It is an amenable number.

2190670641 is a deficient number, since it is larger than the sum of its proper divisors (1011525135).

2190670641 is a wasteful number, since it uses less digits than its factorization.

2190670641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413 (or 5410 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 2190670641 is about 46804.6006392534. The cubic root of 2190670641 is about 1298.7504049603.

The spelling of 2190670641 in words is "two billion, one hundred ninety million, six hundred seventy thousand, six hundred forty-one".