2194219413 has 12 divisors (see below), whose sum is σ = 3174657408. Its totient is φ = 1460399400.

The previous prime is 2194219409. The next prime is 2194219421. The reversal of 2194219413 is 3149124912.

2194219413 is a `hidden beast` number, since 21 + 9 + 4 + 219 + 413 = 666.

It is not a de Polignac number, because 2194219413 - 2² = 2194219409 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194219493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195363 + ... + 206288.

It is an arithmetic number, because the mean of its divisors is an integer number (264554784).

Almost surely, 2^2194219413 is an apocalyptic number.

It is an amenable number.

2194219413 is a deficient number, since it is larger than the sum of its proper divisors (980437995).

2194219413 is a wasteful number, since it uses less digits than its factorization.

2194219413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402264 (or 402261 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2194219413 is about 46842.4958024228. The cubic root of 2194219413 is about 1299.4513292131.

The spelling of 2194219413 in words is "two billion, one hundred ninety-four million, two hundred nineteen thousand, four hundred thirteen".