2194620913 has 8 divisors (see below), whose sum is σ = 2265975296. Its totient is φ = 2123301600.

The previous prime is 2194620881. The next prime is 2194620919. The reversal of 2194620913 is 3190264912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2194620913 - 2⁵ = 2194620881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2194620919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191053 + ... + 202213.

It is an arithmetic number, because the mean of its divisors is an integer number (283246912).

Almost surely, 2^2194620913 is an apocalyptic number.

It is an amenable number.

2194620913 is a deficient number, since it is larger than the sum of its proper divisors (71354383).

2194620913 is a wasteful number, since it uses less digits than its factorization.

2194620913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17535.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2194620913 is about 46846.7812448198. The cubic root of 2194620913 is about 1299.5305825893.

The spelling of 2194620913 in words is "two billion, one hundred ninety-four million, six hundred twenty thousand, nine hundred thirteen".